Filtrete 4WH-STDGR-F02 3M Standard Whole House Grooved Filter Combos End 1 Diameter: 1/2"

End 1 Diameter: 1/2"

Only screw that combines 4-point razor thread technology with an auger point tip for easier drilling into hardwoods

Carbon steel yoke and wing nuts

Undercut Head Cleanly penetrates the hard outer layer of capstock decking

3/8" nutsetter

Filtrete 4WH-STDGR-F02 3M Standard Whole House Grooved Filter Combos End 1 Diameter: 1/2"Highlights: Capacity: Standard Water Filtration Type: Whole House Removes Sediment Also, will reduce ultra fine sediment as small as five micron Genuine OE parts Fits most standard capacity whole house sump style systems including: Culligan, Dupoint, Kenmore, and Whirlpool 2 per pack