4 1/8-inch Sloped Sill Pan Extension Couplings in White (10-Pack)

Use the SureSill 4-1/8 in. White Sloped Sill Pan Extension Couplings (10-Pack) to supply your doors and windows with continuous support. The couplings also let you to expand or join existing sill pans. For use with SureSill 4-1/8 in. sloped sill pans Allows you to join and extend sloped sill pans Made from white PVC Includes 10 pieces 4-1/8 in. Extension Couplings are available in bulk and individual packaging