Top 5 Best sponge filter 5 gallon for sale 2016

1. Air Driven Bio Corner Filter Sponge Fry Shrimp (Nano Fish Tank Aquarium 20 Gal) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
This filter is excellent for small size fish like dwarf cichlid, guppy, killifish, shrimp etc., or for hatcheries, maternity, nano tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter. Also, the air infusion chamber produces minute bubbles which increase the oxygen solubility.Simply install an airline into the unit and provide both aeration and physical filtration combining with biochemical filtration for your fish. They are especially useful for breeding small fishes.

2. (Ship from CA USA) Bio Sponge Filter for Betta Fry Aquarium Fish Tank 5 Gal (2-Pack) (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Provide both mechanical and biological filtration.Simply install an airline into the unit and provide both aeration and filtration for your fish. Aerobic bacteria colonize the sponge providing a bacterial substance to facilitate the nitrogen cycle.

3. Aquarium Bio Cylinder Nano Breeding Corner Sponge Filter 2.25" x 4.75", Set of 6 (Click Link to Check Price on Amazon)
Editor's Rating : 8.9 out of 10
Product name: sponge corner filter use for: 5 gallon fish aquarium

4. Lee's Round Dual-Action Foam Filter, Fits up to 5-Gallon (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Filters are composed of open-celled foamReplacement foam filter pads are also available

5. 2 pcs Replacement Sponge for Sponge Filter XY-180/sponge helps increase biological capacity and reduces maintenance. (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
This replacement sponge helps increase biological capacity and reduces maintenance.This sponge will fit the sponge filter XY-180.