Lustar Hydro-Sponge III Filter for Aquariums up to 40 Gallons - 100 Pack Grow Sponges, Compatible with Aerogarden and iDOO

These heavy-duty filters provide both mechanical and biological filtration. They feature 1"" diameter lift tubes that move more water than other sponge filters and can be used with a powerhead or airstone. The raised sponge eliminates dead space under the filter, while the heavy base keeps the sponge in place.

Model Dimensions Aquarium Size I 2"" T x 3 3/4"" Diameter 10 Gallons II 4"" T x 2 3/4"" Diameter 20 Gallons III 4"" T x 3 3/4"" Diameter 40 Gallons IV 4"" T x 4 3/4"" Diameter 80 Gallons V 4"" T x 5 3/4"" Diameter 125 Gallons

Experience crystal clear water, healthy freshwater or saltwater fish, and whisper-quiet, high-flow filtration without constant cartridge replacements or a hazardous impeller. The filters are quiet and easy to clean - simply rinse and squeeze in used tank water (not tap water!) to maintain nitrogen-fixing bacteria. The inner canister of the filter can be filled with activated charcoal, carbon, or other media.

The filters can be hooked up directly to a powerhead or pump, and the diffuser can replace air stones. To set up, simply assemble, bury the base, and connect an air hose. The soft foam filters across a wide surface area, creating bubbles to reduce protein buildup and increase oxygen. They are ideal for low-current breeding, betta, discus, and turtle tanks.

Fast-cycle a new tank by transferring a filter sponge from old to new. For even more pristine water and longer filter life, combine with ATI Filter Max pre-filtration or try our Hydro-Sponge Pro line.

product information: