Transparent, or clear, PVC Fittings have a slight blue tint. Clear fittings provide visual control in a variety of situations, they are ideal for food and pharmaceutical plants, labs, hospitals, and chemical plants. Clear PVC Fittings are nonconductive electrically, corrosive resistant with smooth interior surfaces to permit high flow rates and prevent accumulation of sediment. They are non-toxic and meet FDA requirements for food handling. They can be cold sterilized in ethylene oxide, and have a UL flame retardant rating of 94 VO.