This is a package of four AquaStar Brass Inserts and Stainless Steel Screws for Suction Outlet Retrofits. These are cement anchors with No. 316 pan head machine screws. Mount, drill, and epoxy directly into pool finish using a 5/16 inch masonry drill bit and two-part wet/dry epoxy. Install with accompanying stainless steel No. 316 pan head machine screws. No need to use the existing frame.
