WISSCOOL 10PCS HVAC Service Valves, 1/4 SAE x 1/4 OD x 2.5 Stem

10-Piece Access Valve Kit: Includes ten HVAC service access valves for evacuation, refrigerant charging, pressure testing and system maintenance | Standard Size: Features a 1/4 SAE port, 1/4 OD connection and 2.5 stem; confirm the size before installation | Spring-Loaded Core: Pre-installed poppet valve core provides responsive opening and reliable closing during system servicing | Durable Construction: Made of 0.6 mm thick copper with a brass cap and internal rubber O-ring for secure sealing | Convenient Storage: Each cap includes a built-in valve core remover; supplied with a plastic storage box for organization