Our filter foam is totally aquatic safe, and is not treated with any chemicals, so it is guaranteed to not harm your fish. We have been using this in our tanks for many years with great results.
This is suitable for all makes and models of aquarium and pond filter - simply cut the filter wool to size with scissors, to make a huge saving on what the shops charge!
FEATURES
Material: Polyether
Item type : Aquarium Filter Bio Sponge
Colour: Black
Thickness: 20mm
Size: 24.5x24.5x2cm
Application: Fish tank/pond internal and external filters. Pore size(pores per inch): 15PPI, 30PPI or 40PPI
Package Included:
1x filter foam