New item in original retail packaging. This listing is for one Project Source PSW1 refrigerator water filter; two identical units are available and sold separately. The package has not been opened or independently inspected. Manufacturer packaging identifies it as fitting in place of Whirlpool Filter 1 models EDR1RXD1, WHR1RXD1, and KAD1RXD1. Please verify the model and photos against your refrigerator before purchase.
Project Source PSW1 push-in refrigerator water filter, Lowe's item 5638698. Manufacturer documentation lists a 200-gallon capacity, 0.5-gpm flow rate, 30-120 psi working pressure, and recommended replacement every six months. It is certified by IAPMO R&T to applicable CSA B483.1 and NSF/ANSI standards 42, 53, 401, and 372 as detailed in the manufacturer's performance data sheet.