General description The R134A Refrigerator Freon Recharge Hose Kit is designed for efficient refrigerant charging in home air conditioning systems. This practical kit includes a piercing valve, a self-sealing adapter, and a refrigerant charging hose with a gauge, making it convenient for various refrigerant types including R-134a, R-12, and R-22. Technical specifications Material: Rubber and metal Color: Blue and silver Max measurement error: +/- 1-3 cm Compatibility and accessories Compatible with 1/4 Inch, 5/16 Inch, and 3/8 Inch outside diameter pipes Includes: 1 piercing valve (BPV-31), 1 hex key, 2 adapters Compatible with R134A self-sealing cans Installation One side of the hose connects to the piercing R134A can tap for puncturing refrigerant cans The other side connects to a 1/4 SAE female port for refrigerator male ports Usage Ideal for recharging refrigerant in home air conditioning systems Can be used with both piercing R134A cans and self-sealing cans