The Polyspun 5 Micron Grooved Whole House Water Filter is a direct replacement for Whirlpool cartridge WHCF-GD05 and WHKF-GD05.
Also known as 5620406 and 56204-06. It is also a direct replacement for the Aqua-Pure AP110, or AP-110.
Replaces Lowes # 57820
The Polyspun 5 Micron Grooved Whole House Water Filter fits whole house systems AP101T, AP11, AP101, AP102 as well as any other filter housings that meet the same size requirements.