CMP 25215-000-000 - VGB Fiberglass Main DrainCMP 25215 000 000 VGB Fiberglass Main Drain is a white main drain for fiberglass pool applications with a 2 inch socket connection. VGB fiberglass main drain, and its fiberglass drain specifications show a bottom port design rated for up to 128 GPM on floor installations and 124 GPM on wall installations. Key Features: Fiberglass pool drain 2 inch socket White finish VGB compliant design