Package Content: 3 packs of BPV-31 perforated faucet valve set, including R134a U-shaped charging hose, modified valve, to bring you more convenient replacement. All our replacement kits are made of anti-metal, which does not wear and rust over time, and is designed with anti-leakage features. Easy to install: Our BPV-31 perforated faucet valve set has a compact design. Only 2 inches of clearance area is required for installation and use. You only need 1 hex key wrench (included) to install the kit. With perforated faucet valve, a modified valve (included) is required. Material: metal. Color: Silver + Yellow. Package Contents: 3 x BPV-31 piercing tap valve kit, 1 x R134a Charging hose with gauge, 1 x retrofit valve. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.