Premium 3/4 Inch UPVC/PP Plastic Exhaust Valve in sleek gray color. High-grade UPVC/PP material ensures corrosion resistance and durability under extreme temperatures (-20°C to 60°C). Precision-molded threads guarantee leak-proof connections for plumbing systems. Ideal for HVAC installations, industrial drainage, and residential venting applications. Features smooth internal channels to prevent clogging from debris buildup. Reinforced flange design withstands 10+ bar pressure without deformation. UV-stabilized composition prevents brittle cracking in outdoor use. Maintenance-free operation with self-cleaning diaphragm mechanism. Ships in bulk quantities with factory-direct pricing for contractors and wholesalers.