- Refrigerant leaks can be hard to find and repair.
- The NFT5-4 Quick Seal Air Conditioner Schrader Valve Caps 10 Pack are the caps that I use to make sure and prevent refrigerant from leaking out of the valve stems.
- I install these on most all of my customers air conditioners and heat pumps to make sure refrigerant does not leak out of the valve stems after I remove my gauges.
- The Schrader valve caps come in a box of 10 caps for only $8.00.
- The Schrader valve caps are Made in the U.S.A.