Key Features

• 【Compatible Models】: Our filters are perfectly compatible with Tetra Whisper Bio-Bag Filter Cartridges Medium, include Whisper Bio-Bag External Filter PF10, Whisper External IQ10, Whisper 10i Internal Filter and ReptoFilter 20 gallons (90 GPH)
• 【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 resistance】: The 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 replacement】: No 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.

Specifications