Undergravel Filter - 45 or 60 gallon Hex | Undergravel Aquarium Filters | Filters | Aquarium

PETCO Power HeadOur PETCO fully submersible power head with its unique design creates currents for increased circulation and water flow through under-gravel filters and protein skimmers. Included is an air inlet with 20" long plastic tubing to help supplement oxygen flow in the aquarium. Additionally, our power heads are UL listed and feature a fully sealed motor to ensure safety.For freshwater and marine aquariums.

All Penguin BIO-Wheel Power Filters deliver simple, easy, 3-stage aquarium filtration...without the hassle of air pumps, valves, tubing or air stones. Now there are new features, new sizes, increased flow rates and a BIO-Wheel that's up to 50% larger! The new two-piece filter hood provides quick flip-top filter cartridge access. A noise- reducing vented cover ensures quieter operation. The adjustable mid-level intake increases water circulation throughout the aquarium and the larger 200 and 350 models...

* For tanks up to 55 gallons. * 4-stage filtration. * Safely submerged in water to provide leak-proof, silent operation. * Auto-start pump. * UL listed for safety. * For fresh or saltwater tanks. * Offered in a variety of sizes.