PCF20RCW PVC Spring Clip Saddle White 20mm\r\n- PVC fittings have a healthy additive that inhibits the impact of sunlight and other ultraviolet sources on the molecular structure of the PVC. Without this, the PVC would yellow, crack, become brittle and break.- PVC fittings can take a beating. They are designed to withstand impacts, or drops from a substantial height and will not suffer any cracks or breakage.- Apply to water supply systems for civil and industrial constructions, e.g. in residential buildings, hotels, and office buildings, ship.