ATI Hydro Sponge Filter #4 Bulk with New Gravel Base hikari wheat gen sinking medium Samples taken at six inches

Samples taken at six inches in depth have been proven to give a more accurate salinity reading than surface samples

Power cord 59 Inch

An excellent toy for mental simulation and developing problem solving skills

The UVA rays stimulate the animal’s appetite

and nitrification

ATI Hydro Sponge Filter #4 Bulk with New Gravel Base hikari wheat gen sinking medium Samples taken at six inchesThe ATI sponge filters are excellent biological as well mechanical filters that only need a source of air to operate. They are excellent for fry tanks because they won't suck up your babies! For aquariums up to 80 gallons. Sponge size 4 x 4. 75 Inches Comes with 5 inch lift tube. Bulk sponge filters are the same as the ones in the box without the packaging! New gravel base eliminates the step on the original sponge filters due to the height. Hydro