12 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 Cartridge

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 Medium Aquarium Filter Cartridge: Our for tetra medium filter cartridges adopts Dense dual-sided mesh, effective Adsorb fish feces & residue; and Super activated carbon layer, Remove odors & pigmentsfrom watera; Added with new powerful zeolite, Adsorb Heavy metals, Keep PH Balance.
• powerful zeolite: Adsorbs ammonia, chlorine and heavy metals, boosts nitrifying bacteria reproduction, converts harmful nitrite to harmless nitrate, balances pH, promotes beneficial aquatic plants and stabilizes water environment.
• ABS Frame and salt resistanceThe filter edge is reinforced with ABS plastic, durable & anti-deformation. Our products are suitable for both freshwater and saltwater environments, and the materials feature salt resistance and corrosion protection.
• Regular replacementNo assembly needed, ready for use right out of the bag. Replace for fish or turtle tank filter cartridges medium every 2-4 weeks to maintain peak filtration. Reach out to us anytime for filter-related questions or concerns.