National Hardware N830-543 Rigid Door Stop Size:3" Alkalinity increaser raises total alkalinity

Alkalinity increaser raises total alkalinity and buffers the water against changes in pH

Pick your preferred blade length

door and window frames

Ideal for sportsmen

1-in arbor

National Hardware N830-543 Rigid Door Stop Size:3" Alkalinity increaser raises total alkalinityNational Hardware's door stops are designed to prevent a door from damaging a wall or wall molding. Available in Brass, Satin Nickel, White, Antique Bronze and Matte Black Instructions and mounting hardware included for installation. Surface mounted application for easy DIY installation. Prevent a door from opening too widely, add functionality to your space.