Protect your home plumbing and water heater from damage caused by iron, manganese, and hydrogen sulfide. This high-capacity Big Blue replacement filter effectively reduces iron and manganese levels to improve overall water quality and family health.

• Specially designed for powerful iron and manganese removal, reducing iron from 3.0 ppm to 0.01 ppm and manganese from 1.0 ppm to 0.01 ppm.
• Compatible with iSpring WGB32BM and WGB22BM whole house filter systems and other 20 in. Big Blue systems.
• High-efficiency performance delivers high flow rates (4-8 gpm) with minimal pressure drop (up to 5 psi).
• Durable catalytic media lasts up to 3 times longer than green sand, with a filter life of up to 45,000 gallons.
• Operates stably across a wide pH range (5.8 - 8.6) and temperature range (40 - 113°F).
• Manufactured to comply with FDA standards and tested against NSF/ANSI standards for water quality and material safety.