Whirlpool Genuine Parts: The whole home sediment filter provides clean, fresh water throughout the entire house for drinking, cooking, bathing and cleaning. Also helps protecting plumbing fixtures, seals, and ensures that household appliances function at optimal performance. Sediment Filtration: Reduces particles in water including sediment, sand, soil, silt, and rust. With 20 Micron Filtration, these water filters reduce particles smaller than the eye can see! Long-Lasting Filter Life: Whirlpool recommends to replace your WHKF-WHPLBB filters every 3 months in standard water conditions. It is essential to change filters on time for optimal use of your filtration systems. This filter also replaces WHCF-WHPLBB. NSF Tested and Certified: A whole house filter you can trust – certified by the National Sanitation Foundation International against NSF/ANSI Standard 42 for Materials Safety. The pleated polypropylene filter is manufactured from a woven material that works to remove dirt. Compatible Model: Each replacement cartridge's size - 10"H X 4.5"W. This standard capacity filter fits Whirlpool WHKF-DWHBB or other large capacity filtration housings. Whirlpool's full line of filtration system products including whole home filters, undersink filters, ice filters, replacement filters, and more.