Sponge Filter Aquarium.

Mini Triangular Corner for 5 gal, 5 in height, sponge is about 2 in x2.5 in

Double sponge for 10 gal height about 7 in sponge is about 3 x2

Mini 2.0"D X 4.75"H for 5 gal
Small 3.0"D x 6"H for 10 gal
Medium 5.0"D X 6.5"H for 20 gal
Large 4.5"D X 8.0"H 40 gal

Sponge replacement available for mini, small, medium and large.

Each order is set of 2, you will receive 2 sponge replacement per order of sponge replacement.

I ship Mon - Fri same day or next business day.