These industrial breather valves offers top levels dustproof and waterproof protections for electrical cabinets and enclosures 8 Piece Value Set: Includes 8 breather valves, providing ample units for multiple enclosures or replacements to maintain smooth equipment operate The valves balances internal and external pressure to prevents seal stress, extending the lifespans of your enclosures Features a double port design that blocks humidity while allowing air exchange, keeping sensitive components dry and protected Designed with standard M12x1.5 Screw threads for secure and stable installation in various industrial electrical enclosures, Manufacturer: Whoasyst