4PCS Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank 60Gal Fairy Tale Sizing Guide: Have dog stand

Sizing Guide: Have dog stand on a piece of paper and mark the front and back of the foot where it touches the paper

The Lectro‐Soft comes in 3 sizes and is extremely low wattage

Large fits neck sizes 15 to 20 inches

12” extension is available for openings 41 ½" to 54"

Designed for dogs and cats

4PCS Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank 60Gal Fairy Tale Sizing Guide: Have dog standFeatures: Sponge filters 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. In addition, the sponge traps larger waste particles mechanically cleaning the water without trapping baby fish. They are useful for as breeding filter or as secondary filter. Or