16 Pack Large Filter Cartridges Compatible With Tetra Whisper Bio-Bag Filter Cartridges Large, for Whisper 20i 40i, IQ20/30/45/60, PF20/30/40/60 and Repto Filter, for Large Aquarium Filter CartridgeBrand: Chyodi Color: white Features: Compatible Models: Our filters are perfectly compatible with tetra whisper bio bag filter cartridges large, include Whisper 20i,40i, IQ20 30 45 60, PF20 30 40 60 and Repto Filter. 4 in 1 Large Aquarium Filter Cartridge: Our for tetra whisper filter large adopts Dense dual sided mesh, effective Adsorb fish feces & residue; and Super activated carbon layer, Remove odors & pigmentsfrom watera; Added with new powerful