Details: Tetra whisper bio foam grid replacement kit. Bio foam provides an extreme amount of surface area for optimal biological filtration in the tetra in tank whisper power filters. The bio-foam grid fits the whisper in-tank power filter. Each whisper bio foam kit includes foam and a plastic frame. For best results, replace the bio foam grid according to the manufacturers recommended maintenance schedule. Bio foam and grid – puff 30/40/60 for use with whisper 30/40/60 power filters.
Package Dimensions: 42x163x18