FORMUFIT Furniture Grade PVC fittings are top-of-the-line, high quality PVC products. Unlike plumbing-grade PVC fittings, FORMUFIT products have UV resistance built into each fitting. This allows your projects will stay bright and colorful, for a lifetime. They are also 5x more durable than off-the-shelf plumbing-grade PVC products. They have a clean, attractive finish and design.