JIH Aquarium Coarse Foam Bio Sponge Filter Media Pad Foam Sponges Cut-to-Size,16"x10"x2"

Works perfectly for my beta fishes filters to helpSlow down the flow.

Not what I though not corse more like medium but still works great easy to clean

This was shipped vacuum sealed and compressed to the thickness of paper. You are given 2 options to expand it, wait around 24 hrs once unwrapped or soak in water. Overnight in water was the only thing that worked for me.

I bought this as a pre filler for my dirt bikes. I cut the top of the air box then added this foam to it. It increased the power and lets the bike breathe better. And it keeps the air filter a lot cleaner.

I use this in my 120gallon aquarium as a pre filter and in the sump to kill the water fall noise it WORKS WELL

It is as described, comes compressed in vacuum packing. Just open pack and let sit for 24 hours and it is expanded.

I did not think it was coming over to be as flat as a pancake and then I had to cut it to size put it in water, then put it in as a dryer to get this thing to expand and fluff I thought I would get it as in the picture, but not so

it arrived asit was supposed to