Whole House Water Filter Cartridge: Equivalent to Culligan R50-BBSA, this long-lasting replacement cartridge reduces sediment, chemicals, and unpleasant odors associated with unfiltered water Heavy Duty Water Filter: This whole house heavy duty water filter has a 50-micron rating and is specially designed for coarse sediment, making it ideal for well water and high-flow applications This whole house water filter helps reduce sediment, rust, scale, dirt, extra fine sand and silt in your drinking water Long Lasting Results: With a filter life of 6 months/24,000 gallons (depending on usage and water conditions), this IPW Industries Inc. replacement filter is a great choice for compatible whole house filtration systems