[PREMIUM MATERIAL] Made of high-quality metal with excellent rust-resistant and anti-leaking performance. The hose is constructed from rubber, offering good pressure resistance and safe operation. Both components of the kit are made of corrosion-resistant metal that will not wear out or rust over time, ensuring long-lasting use. The anti-leaking design provides reliable performance. [PIERCING VALVE KITS] BPV-31 Refrigerator Tap Valve compatible with 1/4 inch, 5/16 inch, and 3/8 inch outside diameter pipes. Replaces AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. Each kit includes 1 piercing valve, 1 hex key, and 2 adapters for practical and convenient use. [RH R134a SEATING ADAPTER] The R134a seating adapter allows connection between the refrigerator charging hose and R134a sealing cans. Features male end for connecting to R134a can tap and female end for connecting to sealing cans. [REFRIGERATOR FREON RECHARGE HOSE WITH GAUGE] One side of the refrigerant charging hose features a piercing R134a can tap for direct connection to puncture-type refrigerant cans. The other side has a 1/4 inch female port to connect to the refrigerator's male service port. Equipped with a color-coded gauge displaying temperature scales for R134a, R12, and R22 refrigerants. [WIDELY APPLICATION] This refrigerator recharge kit is designed for use with air conditioning systems and refrigerants including R-134a, R-12, and R-22. With the included R134a seating adapter, the kit is compatible with both piercing-type and sealed refrigerant cans, providing versatile functionality to meet various service needs. Color: Blue + Silver Material: Rubber + Metal Package Contents: 1 x R134a Freon Recharge Hose with Gauge 2 x BPV-31 Piercing Tap Valve 1 x RH R134a Seating Adapter Note: Light and display settings may cause slight variations in color between the product image and the actual item. Measurement error allowance is +/- 1-3 cm.