About this item Compatible with both high and low pressure R134a AC system charging ports in automotive air conditioning systems. Precision-engineered valve caps create a tight seal to prevent refrigerant leaks and maintain system pressure. Made from heavy-duty materials with a durable finish to withstand extreme temperature variations. Package includes 8 replacement valve caps for comprehensive AC system protection. Simple hand-tightening application requires no special tools for quick replacement. Size: 3.94 x 3.54 x 0.39 inches.

8Pcs Blue Replacement Valve Caps for Air Conditioning, Leakproof R134a AC System