Features: *Comprehensive Package: The set includes 5 radiator air vent valves and 3 air vent keys, providing ample quantity for regular use and replacements, ensure you have the necessary tools for optimal radiator performance. *Construction: Crafted primarily from brass, these manual radiator air vent valves are designed to resist rust, cracking, and deformation, while the silicone washers ensure long-lasting reliability and effective sealing. *Versatile Compatibility: With a size of approximately 1/2 inch, these manual heating valves are suitable for most radiators, offering flexibility and convenience for various heating systems. *Easy Operation: The included air vent keys allow for straightforward manual operation, making it simple to release trapped air from your heating system, improving efficiency and performance. *Enhanced Efficiency: By effectively venting air from your radiator, these valves help maintain optimal heating performance, contributing to a more comfortable living environment while reducing energy waste. Specifications: *Product Name:Heat sheet exhaust valve with exhaust key *Ma terial:Copper + Metal+Silicone *Size:24 x 19 x 24 millimetres *Color:Bronze + White, Silver + White *Inlet connection type1/2 inch Package Content: 5*Radiator Air Vent Valves3*Radiator Bleed Keys Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_