Specifications: A Pair of High and Low Voltage Valve Caps Dust Cap Valve Sealing Cap Universal R134A Valve Cover Brand New and High Quality Material: Plastic Color: Blue + Brown (As the pictures show) Compatibility: R134A Air Conditioning System Cap Type: Air Conditioning System Cap Quantity: 1 Pair Features: Low Voltage – Blue Color, High Voltage – Brown Color, Valve Dust Cap Plastic Cap Cover Cap Sealed, M8 M9 M10, Car Air Conditioner R134A Plastic Valve Protector Cap Dust Cap Sealing Cap Package Contents: 1 Pair (2pcs) Car Air Conditioner Plastic Protector