S.U.R.&R's compression block-offs effectively eliminate failed rear A/C components and avoid the high costs involved in repairing these systems. The best part is you will still be able to use your front A/C system to stay cool. Available individually or a Product Features:American Quality - Proudly Made In AmericaOn the car repairs made simpleMake connections easily by hand; no specialty tools required.Compression unions and adapters specifically designed for A/C line repair applications pressures rated up to 600 psiAvailable in metric and SAE sizes including, 5/16, 3/8, 1/2, 5/8, 3/4, 6mm, 8mm, 10mm, 12mm, 15mm, 16mm and 19mmDrastically cuts labor timePressure rated up to 600 psiMade out of aluminum; will not rust
