4.5" x 20" Whole House Refillable Water Filter Cartridge - GAC Catalytic Carbon/Birm + KDF 85: Removes Iron, Manganese, Hydrogen Sulfide, Rotten Egg Smell - Compatible with 20" Big Blue Housing

Powerful Iron & Manganese Reducing: Oceanic BBCCBIRMK85 whole house water filter cartridge is specially designed for iron & manganese removal, reducing iron (MAX 3.0 ppm down to 0.01 ppm) and manganese (MAX 1.0 ppm down to 0.01 ppm). Efficient performance: This iron filter whole house has higher linear velocities than conventional media and delivers high flow rates & very low pressure drop. Feed water pressure: 20 - 100 psi. Pressure impact: up to 5 psi drop at a flow rate of 8 gpm. The Oceanic BBCCBIRMK85 whole house filter effectively removes harmful substances, improves water quality, and protects family health. Excellent Stability and Durability: Stable and satisfactory performance at a wide pH range 5.8 - 8.6 and temperature range 40 - 113F. FM25B whole house water filter lasts up to 3 times longer than green sand due to the catalytic media not being consumed in the process. APPROX Filter life: 50,000 gallons at 3.0 ppm iron level, or about 12 months @ 200GPD. Whole House Water Filter with Mixture of Activated Catalytic Carbon, Birm and KDF 85 Superior taste and odor removal capabilities (Dependent on local water quality). Filter should be flushed initially for at least 20 minutes until water runs clear.