About This

• Wide Compatibility: The 16 pack filter cartridges are compatible with all popular models of Tetra Whisper (PF20/30/40/60, IQ20/30/45/60, 20i/40i, etc.) and ReptoFilter 50 gallon aquariums. A single box lasts for 3-6 months, making it the most cost effective choice for multi-tank families/frequent water changes.
• 4 in 1 filter cartridge & all-round water quality management: Physical interception: double-sided encrypted filter, highly efficient filtration of a variety of impurities. ②Activated Carbon Reinforcement Layer: 80% more activated carbon content, continuous adsorption for up to 28 days. ③Zeolite balance layer: 20% zeolite long-lasting balance PH value, to achieve a stable water state.
• 3 Steps for Easy Replacement:① Pre-encapsulated filter material prevents carbon leakage, say goodbye to traditional filter cartridge carbon pollution. ② Reinforced ABS frame resists deformation, fits seamlessly into Whisper filter compartment. ③ No cutting, no assembly, 30 seconds to complete the process of replacing the old with the new.
• Cost-effective Advantage: 10-piece filter cartridge, a single cartridge can cover up to 50 gallons of water (125GPH flow), composite filter material extends service life and reduces the cost of frequent replacement.
• ①Sealed Packaging: filter material stays fresh for 18 months. ②Water quality problems 48 hours to diagnose the programme