AQUARIUM FISH TANK UNDERGRAVEL UG FILTER 10 GALLON US $9.95 Auction Ends: Tuesday Sep-07-2010 15:37:10 PDT   | Watch this Item

55 gallon undergravel fish tank aquarium filter 48x12 US $17.99 Auction Ends: Tuesday Sep-07-2010 18:16:56 PDT   | Watch this Item

Lee’s Aquarium & Pet Products Undergravel Filter US $11.69 Auction Ends: Friday Sep-10-2010 17:40:51 PDT   | Watch this Item

Undergravel Filter 10 x 20 Fit 10 Gal Aquariums - NIB US $12.95 Auction Ends: Friday Sep-10-2010 21:40:40 PDT   | Watch this Item

Undergravel Filter 12 x 30 Fits 20L & 29 Aquariums -NIB US $15.95 Auction Ends: Friday Sep-10-2010 21:46:46 PDT   | Watch this Item

Second Nature Undergravel Aquarium water Filter 10-20 g US $9.95 Auction Ends: Saturday Sep-11-2010 17:48:27 PDT   | Watch this Item

Perfect A Flo Undergravel Aquarium Filter 10 x 20 - 10g US $0.99 (0 Bid) Auction Ends: Sunday Sep-12-2010 18:28:34 PDT   | Watch this Item

Perfect A Flo Undergravel Aquarium Filter 18 x 48" N US $0.99 (0 Bid) Auction Ends: Sunday Sep-12-2010 19:17:25 PDT   | Watch this Item

Lee`s Aquarium Elbows for Undergravel Filter (E Bag) US $3.49 Auction Ends: Thursday Sep-16-2010 8:53:16 PDT   | Watch this Item

Lee`s Aquarium 2gal Undergravel Filter 5in US $4.99 Auction Ends: Thursday Sep-16-2010 8:53:17 PDT   | Watch this Item