- Ibergrif M91009-1 water filter compatible with 10-inch under-sink filtration systems - Multilayer filtration technology: 1.1-micron PP microfiber and coconut shell activated carbon - Effectively removes iron rust, sediment, residual chlorine, bad odors, and improves water taste - Compatible with most standard 10'' filtration systems and the M91009 system - Dual filtration design (cotton and activated carbon) for deep and long-lasting purification - Protects subsequent filters, optimizing performance and extending the system's lifespan - NSF/ANSI certification and lasts up to 12 months, ideal for homes and offices seeking safe and healthy drinking water