4 9/16-inch Sloped Sill Pan Extension Couplings in White (10-Pack)

Use the SureSill 4-9/16 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. Includes 10 pieces Allows you to join and extend sloped sill pans For use with the SureSill 4-9/16 in. sloped sill pan Made from white PVC 4-9/16 in. Extension Couplings are available in bulk and individual packaging