You are here: Home > UV STERILIZERS > UV Sterilizers: In Line

UV Sterilizers: In Line
Sort By:
Page of 2  
Pentair Aquatics Lifegard Aquastep 15 Watt UV Sterilizer
Pentair Aquatics Lifegard Aquastep 15 Watt UV Sterilizer
Out of Stock
List Price: $178.95
Our Price: $136.00
Sale Price: $119.00
You Save $59.95 (Out of Stock)

The Pentair Aquatics Lifegard Aquastep 15 Watt UV Sterilizer is for aquariums up to 120 gallons
  • 15 Watt UV lamp. Unique 4 pin connector for easy bulb replacement without shutting down the system.
  • In line or hang-on use
  • Connections: 3/4" FPT. Comes with 1/2" hose barb fitting and 4 feet of hose. Inlet and outlet at top for hang on and at bottom for below aquarium installations.
  • Requires an approx. 450 gph pump
  • Dimensions: 21" X 7.5" X 3"
  • Clear View Port. Allows visible light (no UV) to pass through and indicate bulb is operating adjustable clamp.
  • Spring loaded clamp creates a snug fit to any aquarium or reservoir tank
Pentair Aquatics Lifegard QL-Series 10 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 10 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $193.95
Our Price: $128.00
You Save $65.95 In Stock!

The Pentair Aquatics Lifegard QL-Series 8 Watt UV Sterilizer is for aquariums up to 50 gallons
  • 8 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 17" X 7.5" X 7"
Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $216.30
Our price (price includes free shipping!) $158.00
You Save $58.30 In Stock!

The Pentair Aquatics Lifegard QL-Series 25 Watt UV Sterilizer is for aquariums up to 200 gallons
  • 25 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 26.75" X 7.5" X 7"
Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer
Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer
Out of Stock
List Price: $238.61
Our Price: $182.00
Sale price (price includes free shipping!) $159.99
You Save $78.62 (Out of Stock)

The Pentair Aquatics Lifegard Aquastep 25 Watt UV Sterilizer is for aquariums up to 200 gallons
  • 25 Watt UV lamp. Unique 4 pin connector for easy bulb replacement without shutting down the system.
  • In line or hang-on use
  • Connections: 3/4" FPT. Comes with 1/2" hose barb fitting and 4 feet of hose. Inlet and outlet at top for hang on and at bottom for below aquarium installations.
  • Requires an approx. 760 gph pump
  • Dimensions: 23" X 7.5" X 3"
  • Clear View Port. Allows visible light (no UV) to pass through and indicate bulb is operating adjustable clamp.
  • Spring loaded clamp creates a snug fit to any aquarium or reservoir tank
Aqua Ultraviolet Classic 8 Watt White UV Sterilizer aqua uv 8w aqua uv 8 watt aqua ultraviolet 8w aqua ultraviolet 8 watt
Aqua Ultraviolet Classic 8 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $238.00
Our Price (price includes free shipping!) $166.60
You Save $71.40 In Stock!

The Aqua Ultraviolet 8 Watt Classic White 3/4" UV Sterilizer is the premium choice for the water sterilization for aquariums up to 50 gallons.
  • A pump is a required. The required flow rates is approx. 100 gph.
  • Dimensions: 16" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 15 Watt White UV Sterilizer  aqua uv 15w, aqua uv 15 watt,  aqua ultraviolet 15w, aqua ultraviolet 15 watt
Aqua Ultraviolet Classic 15 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $260.00
Our Price (price includes free shipping!) $182.00
You Save $78.00 In Stock!

The Aqua Ultraviolet Classic 15 Watt White 3/4" UV Sterilizer is the premium choice for the water sterilization for aquariums up to 75 gallons.
  • A pump is a required. The required flow rates is approx. 150 gph.
  • Dimensions: 16" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer
Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $257.55
Our price (price includes free shipping!) $189.00
You Save $68.55 In Stock!

The Pentair Aquatics Lifegard QL-Series 40 Watt UV Sterilizer is for aquariums up to 300 gallons
  • 40 Watt UV lamp
  • In line
  • Connections: 1-1/4" slip inlet, 1" slip outlet
  • Requires a pump with a flow rate less than 240 gph
  • Dimensions: 34.5" X 7.5" X 7"
Emperor Aquatics Smart Lite 18 Watt UV Sterilizer
Emperor Aquatics Smart Lite 18 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $207.57 In Stock!

The Emperor Aquatics Smart Lite UV Sterilizers are designed for aquarium owners and pond keepers who appreciate quality and performance but are restricted with space. The Emperor Aquatics Smart UV Lite features a space saving 2" diameter body constructed of UV resistant plastic. All models are watertight, corrosion resistant, and designed for safe operation in outdoor environments.
  • For aquarium or pond use
-For aquariums up to 60 gallons. The 60 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 1,100 gallons
  • 18 watt T5 UV lamp
  • In line
  • Connections: 2" slip inlet/ 2" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 356 gph maximum, 219 gph minimum
-Protozoa: 60 gph maximum, 37 gph minimum
  • Dimensions: 21.75" X 2.5"
Accessories:
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $230.67 In Stock!

  • For aquarium or pond use
-For aquariums up to 90 gallons. The 90 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 1,700 gallons
  • 25 watt T5 UV lamp
  • In line
  • Connections: 2" slip inlet/ 2" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 554 gph maximum, 332 gph minimum
-Protozoa: 92 gph maximum, 55 gph minimum
  • Dimensions: 29.75" X 2.5"
Aqua Ultraviolet Classic 25 Watt White UV Sterilizer aqua uv 25w aqua uv 25 watt aqua ultraviolet 25w aqua ultraviolet 25 watt
Aqua Ultraviolet Classic 25 Watt White 2" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $338.00
Our Price (price includes free shipping!) $236.60
You Save $101.40 In Stock!

The Aqua Ultraviolet Classic 25 Watt White 2" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Classic 25 Watt can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 25 Watt White UV Sterilizer aqua uv 25w aqua uv 25 watt aqua ultraviolet 25w aqua ultraviolet 25 watt
Aqua Ultraviolet Classic 25 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $344.00
Our Price (price includes free shipping!) $240.80
You Save $103.20 In Stock!

The Aqua Ultraviolet Classic 25 Watt White 3/4" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Classic 25 Watt can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Twist 25 Watt 2
Aqua Ultraviolet Twist 25 Watt 2" White UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $358.00
Our Price (price includes free shipping!) $250.60
You Save $107.40 In Stock!

The Aqua Ultraviolet Twist 25 Watt 2" White UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. The Twist combines all the functionality of the Aqua Ultraviolet Classic with unions that expand functionality. A union in the body allows you to rotate the inlet and outlet to the optimum places for your particular hookups. An expansion union included with each Twist UV will allow you to connect additional UV sterilizers to your Twist UV.

Used as a sterilizer, the Twist 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Twist 25 Watt UV can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Twist 25 Watt 2
Aqua Ultraviolet Twist 25 Watt 2" Black UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $358.00
Our Price (price includes free shipping!) $250.60
You Save $107.40 In Stock!

The Aqua Ultraviolet Twist 25 Watt 2" Black UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. The Twist combines all the functionality of the Aqua Ultraviolet Classic with unions that expand functionality. A union in the body allows you to rotate the inlet and outlet to the optimum places for your particular hookups. An expansion union included with each Twist UV will allow you to connect additional UV sterilizers to your Twist UV.

Used as a sterilizer, the Twist 25 Watt UV is the premium choice for a 500-1200 gallon pond or an aquarium up to 150 gallons. Used as a clarifier, the Twist 25 Watt UV can treat up to 4000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 2000 gph as clarifier, 1200 gph as sterilizer. The recommended flow rate for aquariums for algae is 332-554 gph and for protozoa is 110-184 gph.
  • Dimensions: 20" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • Black
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Emperor Aquatics Smart Lite 40 Watt UV Sterilizer
Emperor Aquatics Smart Lite 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $260.04 In Stock!

  • For aquarium or pond use
-For aquariums up to 160 gallons. The 160 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,900 gallons
  • 40 watt T5 UV lamp
  • In line
  • Connections: 2" slip inlet/ 2" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 983 gph maximum, 589 gph minimum
-Protozoa: 164 gph maximum, 98 gph minimum
  • Dimensions: 44.75" X 2.5"
Accessories:
Emperor Aquatics Smart 25 Watt UV Sterilizer
Emperor Aquatics Smart 25 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $300.96 In Stock!

  • For aquarium or pond use
-For aquariums up to 125 gallons. The 125 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,360 gallons
  • 25 watt T5 UV lamp
  • In line
  • Connections: 1.5" union inlet/ 1.5" union outlet
  • A pump is a required. The required flow rates:
-Algae: 788 gph maximum, 472 gph minimum
-Protozoa: 262 gph maximum, 157 gph minimum
  • Dimensions: 29" X 3"
  • Ballast separate from unit
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer w/ Wiper
Emperor Aquatics Smart Lite 25 Watt UV Sterilizer w/ Wiper
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $313.50 In Stock!

-For freshwater aquariums up to 110 gallons. The 110 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 2,000 gallons
  • 25 watt T5 UV lamp
  • Includes a wiper. The wiper is a plastic ring that can be pulled along the length of the uv quartz sleeve to clean the sleeve.
  • In line
  • Connections: 1.5" slip inlet/ 1.5" slip outlet
  • A pump is a required. The required flow rates:
-Algae: 554 gph maximum, 332 gph minimum
-Protozoa: 184 gph maximum, 110 gph minimum
  • Dimensions: 29.75" X 2.5"

Emperor Aquatics Smart 40 Watt UV Sterilizer
Emperor Aquatics Smart 40 Watt UV Sterilizer
Usually Ships in 1 to 2 Business Days
Our Price (price includes free shipping!) $330.00 In Stock!

  • For aquarium or pond use
-For aquariums up to 300 gallons. The 300 gallons rating assumes the unit is being used as a clarifier (algae) and sterilizer.
-For ponds up to 4,725 gallons
  • 40 watt T5 UV lamp
  • In line
  • Connections: 1.5" union inlet/ 1.5" union outlet
  • A pump is a required. The required flow rates:
-Algae: 1574 gph maximum, 943 gph minimum
-Protozoa: 525 gph maximum, 314 gph minimum
  • Dimensions: 43.8" X 3"
Aqua Ultraviolet Classic 40 Watt White UV Sterilizer aqua uv 40w aqua uv 40 watt aqua ultraviolet 40w aqua ultraviolet 40 watt
Aqua Ultraviolet Classic 40 Watt White 2" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $480.00
Our Price (price includes free shipping!) $336.00
You Save $144.00 In Stock!

The Aqua Ultraviolet Classic 40 Watt White 2" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Classic 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000 gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Classic 40 Watt White UV Sterilizeraqua uv 40w aqua uv 40 watt aqua ultraviolet 40w aqua ultraviolet 40 watt
Aqua Ultraviolet Classic 40 Watt White 3/4" UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $486.00
Our Price (price includes free shipping!) $340.20
You Save $145.80 In Stock!

The Aqua Ultraviolet Classic 40 Watt White 3/4" UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Classic 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 3/4" barb or FPT, Outlet: 3/4" barb or FPT
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)
Aqua Ultraviolet Twist 40 Watt White UV Sterilizer aqua uv 40w aqua uv 40 watt aqua ultraviolet 40w aqua ultraviolet 40 watt hang on
Aqua Ultraviolet Twist 40 Watt 2" White UV Sterilizer
Usually Ships in 1 to 2 Business Days
List Price: $500.00
Our Price (price includes free shipping!) $350.00
You Save $150.00 In Stock!

The Aqua Ultraviolet Twist 40 Watt 2" White UV Sterilizer is the premium choice as a clarifier and sterilizer in ponds and aquariums. The Twist combines all the functionality of the Aqua Ultraviolet Classic with unions that expand functionality. A union in the body allows you to rotate the inlet and outlet to the optimum places for your particular hookups. An expansion union included with each Twist UV will allow you to connect additional UV sterilizers to your Twist UV.

Used as a sterilizer, the Classic 40 Watt UV is the premium choice for a 1200-2000 gallon pond or an aquarium up to 325 gallons. Used as a clarifier, the Twist 40 Watt can treat up to 6,000 gallons of fresh water that has 50% to 75% plant coverage.
  • A pump is a required. Max Flow For Ponds: 3,000 gph as clarifier, 2,000 gph as sterilizer. The recommended flow rate for aquariums for algae is 589-983 gph and for protozoa is 196-327 gph.
  • Dimensions: 37-3/8" X 6" X 2-1/2"
  • Inlet: 2” slip, Outlet: 2” slip
  • White
  • Housing: Limited lifetime warranty on housing against Ultraviolet degradation. Complete Unit: One year from date of purchase or 18 months from manufacturing date
  • Controls algae, bacteria & protozoa
  • Clears water in 3-5 days, sometimes overnight
  • Instructional Manual (pdf format in new window)