The Mastercool 85510-YF R1234yf 1/2 in. ACME-LH Thread Piercing Design Can Tap Valve is designed for use with R-1234yf pierce-designed cans. The all-metal construction provides durability and the gasket ensures leak-proof operation. The 'full grip' valve knob and built-in safety check offers the user an easier and safer operation.

• Size 1/2 in. ACME-LH
• Can Type: Piercing
• Exclusive 'full grip' valve knob
• Meets SAE J2844