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Penn-Plax Premium Undergravel

Filter Media: Penn-Plax Premium Undergravel Filter Media

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Penn-Plax Premium Undergravel Filters
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Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge, 2-Pack Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39911
These Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridges fit the Penn-Plax Premium Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 2-Pack.

Our Price: $3.29
In Stock
Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge 6-Pack Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39911-3
These Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridges fit the Penn-Plax Premium Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack.

Our Price: $8.99
In Stock
Penn-Plax Filt-a-Carb Undertow & Perfect-A-Flow Carbon Undergravel Filter Cartridge, 2-Pack Penn-Plax Filt-a-Carb Undertow & Perfect-A-Flow Carbon Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39913
These Penn-Plax Filt-a-Carb Carbon Undergravel Filter Cartridges fit the Perfecto Perfect-A-Flow and Penn-Plax Undertow Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 2-Pack.

Our Price: $3.29
In Stock
Penn-Plax Filt-a-Carb Undertow & Perfect-A-Flow Carbon Undergravel Filter Cartridge, 6-Pack Penn-Plax Filt-a-Carb Undertow & Perfect-A-Flow Carbon Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39913-3
These Penn-Plax Filt-a-Carb Carbon Undergravel Filter Cartridges fit the Perfecto Perfect-A-Flow and Penn-Plax Undertow Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack.

Our Price: $8.99
In Stock
Penn-Plax Undertow & Perfect-A-Flow Ammonia-X Undergravel Filter Cartridge, 2-Pack Penn-Plax Undertow & Perfect-A-Flow Ammonia-X Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39953
These Penn-Plax Ammonia-X Undergravel Filter Cartridges fit the Perfecto Perfect-A-Flow and Penn-Plax Undertow Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 2-Pack.

Our Price: $3.29
In Stock
Penn-Plax Undertow & Perfect-A-Flow Ammonia-X Undergravel Filter Cartridge 6-Pack Penn-Plax Undertow & Perfect-A-Flow Ammonia-X Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39953-3
These Penn-Plax Ammonia-X Undergravel Filter Cartridges fit the Perfecto Perfect-A-Flow and Penn-Plax Undertow Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack.

Our Price: $8.29
In Stock
Penn-Plax Universal Ammonia-X Undergravel Filter Cartridge, 2-Pack Penn-Plax Universal Ammonia-X Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39952
These Penn-Plax Universal Ammonia-X Undergravel Filter Cartridges fit most undergravel filters. For best results the Cartridge should be replaced every two to four weeks. 2-Pack.

Our Price: $4.29
In Stock
Penn-Plax Universal Ammonia-X Undergravel Filter Cartridge 6-Pack Penn-Plax Universal Ammonia-X Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39952-3
These Penn-Plax Universal Ammonia-X Undergravel Filter Cartridges fit most undergravel filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack.

Our Price: $10.99
In Stock
Penn-Plax Ammonia-X "E" Undergravel Filter Cartridge, 2-Pack Penn-Plax Ammonia-X "E" Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39953
These Penn-Plax Filt-a-Carb Ammonia-X Undergravel Filter Cartridges fit the Perfecto Perfect-A-Flow and Penn-Plax Undertow Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 2-Pack.

Our Price: $3.29
In Stock
Penn-Plax "E" Ammonia-X Undergravel Filter Cartridge, 6-Pack Penn-Plax "E" Ammonia-X Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39951-3
These Penn-Plax Ammonia-X "E" Undergravel Filter Cartridges fit the Penn-Plax Premium Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack.

Our Price: $8.99
In Stock
Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 2-Pack Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 2-Pack

Product Code: RPE39912
These Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridges fit most undergravel filters. For best results the Cartridge should be replaced every two to four weeks. Fits 11/16" & 27/32" lift tubes very loosely. Fits 15/16 lift tubes very snug. With 1-1/8" lift tubes it fits inside the tube. 2-Pack.

Our Price: $4.29
In Stock
Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 6-Pack Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridge, 6-Pack

Product Code: RPE39912-3
These Penn-Plax Filt-a-Carb Universal Carbon Undergravel Filter Cartridges fit most undergravel filters. For best results the Cartridge should be replaced every two to four weeks. Fits 11/16" & 27/32" lift tubes very loosely. Fits 15/16 lift tubes very snug. With 1-1/8" lift tubes it fits inside the tube. 6-Pack.

Our Price: $11.49
In Stock