20 Pack Valve Core Replacement Copper High Pressure R22 R32 R410A Schrader Valve Stem Cores for A/C Split Unit Air Conditioner HVAC Heat System Car Automotive Compressor Refrigerator Fridge

Suitable for Most Car and Household Air Conditioners
Standard Nipple, For Systems Working on Freon R12 and R410
Made from high quality rubber and copper materials with stable
Has standard threads and sizes for easy installation and disassembly, then you can quickly replace the old valve cores.
Package: 20 x Air Conditioning Valve Core