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Undergravel Filter

13 products
Lee's Premium Undergravel Filter
Starting at $2.99
…inhabitants. If you wish, you may use the Premium Undergravel Filter with a power filter to optimize aquarium water quality.Lee's Premium Undergravel Filter feature hard-plastic plates with a multi-level design to enhance the undergravel filter's overall structural strength. Plates resist splitting…
Hagen AquaClear Powerheads
Starting at $3.99
…freshwater and saltwater aquariums*Variable flow control powerhead great for undergravel filters*Adjustable clamp fits most aquariumsThis dependable model increases water flow through undergravel filters to improve their filtering efficiency. It also oxygenates water to sustain beneficial bacteria…
CaribSea Eco-Complete African Cichlid Substrates
Starting at $22.39
…featherfins. Eco-Complete Cichlid Gravel has a coarser grade perfect for larger aquariums housing African Cichlids; use with or without an undergravel filter. Ivory Coast, NEW Zack Black and NEW White Sand, with medium-sized grain, add decorative contrast to your cichlid aquarium. 20 pound bags. …
Marineland Emperor BIO-Wheel Powerfilters
Starting at $39.99
…partial water changes. The patented BIO-Wheel is the undisputed best power filter when it comes to biological filtration. BIO-Wheel is scientifically proven to be better than frames, foams, fluidized beds, under-gravel filters, and other submerged biomedia.* NOTE: Fine media must be placed in a mesh…
Poly Filters
Starting at $6.99
…Poly Filter in Established Marine and Freshwater Aquariums:For Conventional Power Filters: Place the Poly Filter in cartridge slots.Plastic Undergravel Filters: Place the Poly Filter on top of the undergravel plate. Cover filter and plate with gravel.Canister Filters: Place the Poly Filter in the…
Cobalt International MJ Multi-Purpose Powerhead Pump
Starting at $37.54
…International MJ Multi-Purpose Powerhead Pump is great for use with wave makers, protein skimmers, calcium reactors, nano aquariums, undergravel filters and any application where reliable water movement or circulation is essential.Includes: Fully rotational output Fully sealed intake for…
Coralife Super Luft Air Pump
Starting at $63.99
…protein skimmers, ozone/oxygen reactors and other aquarium devices. Drives numerous limewood and other airstones, undergravel filters, foam filters, corner filters, air-driven filters and ornaments even in deep-water applications. 3/8" outlet. Includes adjustable 4-outlet metal valve and 6-outlet…
Fluval Q2 Air Pump
Starting at $29.99
*Powerful, advanced swing-arm and diaphragm air pumps create consistent, reliable air flow ideal for airstones, corner filters, under-gravel filters, and ornaments*Virtually silent air pumps feature double-walled construction, integrated pump well, noise-suppressing baffle chamber, and rubber…
Penguin Powerheads
Starting at $2.99
…breaks water surface. Cut Undergravel Lift Tube as needed. Make certain Lift Tube is cut straight so that Lift Tube Adapter seals properly and power head remains level. Adjust Lift Tube Adapter/Strainer: Slightly twist and slip Lift Tube Adapter down into Undergravel Lift Tube until properly seated.…
Drs. Foster & Smith PhosPure® Filter Media
Starting at $22.99
…water. Place inside any filter in a way that minimizes water bypass.Applications:For Aquariums: Use in canister filters, power filters, sumps, corner filters, or next to uplift tube of undergravel filters. For Ponds: Use in filter or pond skimmer. NOTE: In filters or pond skimmers that receive…
Marineland Maxi-Jet PRO Water Pumps
Starting at $1.74
…components allow quick and easy conversion from impeller to propeller-driven use. Use the Maxi-Jet PRO in submerged Powerhead Mode to run undergravel filters or as a recirculation pump, aeration pump and more. Utility Pump Mode allows convenient internal (underwater) or external (out of water) use…
Whisper Air Pumps
Starting at $6.99
…insulate motor noise. Helps maintain optimum oxygen levels in your aquarium and delivers ample airflow for deepwater applications. Use with undergravel filters, airstones, and bubble wands. Model # Aquarium Size Outlets OverallDimensions 10 up to 10 gallons 1 outlet 3.875" x 2.75" x 5.5" 20 up to…
CaribSea Arag-Alive
Starting at $23.1
…egineered to supress "new tank syndrome" and compress the ammonia cycle. It's like having a nitrite and nitrate filter, ammonia reducer, and a high-capacity biological filter for your marine aquarium. Includes Bio-Magnet clarifier to clear water fast and enhance biological efficiency. Arag-Alive…