The 1-1/4 in. Non-Metallic Female Adapter is a versatile high-quality fitting designed for use with Sch. 40 and Sch. 80 rigid non-metallic conduit. Non-metallic PVC resists rust, corrosion, impact and the damaging effects of sunlight. The adapter features female threads on 1 end and a socket end on the other end to help you connect non-metallic conduit to threaded fittings and Metallic systems.