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Wet Dry Filters: CPR Wet Dry Filters

CPR Wet Dry Filters are designed for long term reliability and ease of maintenance. These filters incorporate superior design features, such as:

Simple installation and operation
Compact size to easily fit under your aquarium stand
Excellent craftsmanship, all edges flame polished
Efficient drip plate or drip lid dispersal
Specially designed vented lids allow for proper gas exchange, and do not warp
Includes Bio Bale biological filter media

Wet Dry filters are recommended for all types of freshwater tanks and for saltwater fish only tanks. Wet Dry filters work by mixing air and water mix as the water from the overflow box trickles over an exposed filter media such as Bio Bale. Biological filtration and gas exchange occur as the water flows in a thin layer over the media surface. The Bio Bale media provides optimum growing conditions for bacteria, which oxidize nitrite and toxic ammonia. The rapid oxidation of ammonia and nitrite helps to maintain a stress free environment for aquatic life.

For a complete filtration system including an CPR overflow box, plumbing, hoses, siphon pump and return pump just order the recommended additions listed under the Wet Dry Filter (click the more info link under the Wet Dry Filter listing for the complete information for each Wet Dry Filter).

Visit the Filtration Overview Page for recommended equipment for reef, saltwater fish only and freshwater tanks, and for some basic aquarium filtration theory.

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CPR Aquatics CR2000 Wet Dry Filter

Usually Ships in 1 to 2 Business Days
Our Price: $245.75

In Stock!

For all types of freshwater tanks and for saltwater fish only tanks tanks up to 200 gallons
Capacity: 1 cubic foot
Dimensions: 24" length x 12.5" width x 20" height
Internal Sump 11-3/4" length X 10" width
Includes Bio Bale biological media
1" bulkhead inlet / 3/4" bulkhead outlet

For a complete filtration system including an CPR overflow box. . .

CPR Aquatics CR1000 Wet Dry Filter

Usually Ships in 1 to 2 Business Days
Our Price: $195.25

In Stock!

For all types of freshwater tanks and for saltwater fish only tanks tanks up to 150 gallons
Capacity: 5 gallons
Dimensions: 20" length x 12" width x 15" height
Internal Sump 11" length X 7" width
Includes Bio Bale biological media
1" bulkhead inlet / 3/4" bulkhead outlet

For a complete filtration system including an CPR overflow box. . .

CPR Aquatics CR900 Wet Dry Filter

Usually Ships in 1 to 2 Business Days
Our Price: $150.00

In Stock!

For all types of freshwater tanks and for saltwater fish only tanks tanks up to 125 gallons
Capacity: 4 gallons
Dimensions: 21" length x 10" width x 15.5" height
Internal Sump 9-1/4" length X 8-3/4" width
Includes Bio Bale biological media
1" bulkhead inlet / No outlet bulkhead

For a complete filtration system including an CPR overflow box. . .

CPR Aquatics CR500 Wet Dry Filter

Usually Ships in 1 to 2 Business Days
Regular Price $111.50
Clearance Price $89.00
You Save $22.50!

In Stock!

For all types of freshwater tanks and for saltwater fish only tanks tanks up to 60 gallons
Capacity: 2 gallons
Dimensions: 16" length x 8" width x 12" height
Internal Sump 7-1/2" length X 7-1/4" width
Includes Bio Bale biological media
3/4" bulkhead inlet / No outlet bulkhead

For a complete filtration system including an CPR overflow box. . .

CPR Aquatics Sump Inlet Assembly w/ 7" Filter Sock

Usually Ships in 1 to 2 Business Days
Our Price: $36.00

In Stock!

The CPR Aquatics Sump Inlet Assembly w/ Filter Sock hooks onto the side of a sump and filters out the largest sediment coming out of the tank into a filter sock. This filter sock pre-filter can be cleaned easily and frequently.