This is a great material. I use it on air compressors and gas pressure washers and it seals perfectly every time. Now I'm almost done with the teflon tape. Not that the tape is bad, but sometimes I put it on and still have to fiddle with the connection before the leak stops. With Oatey, you apply it and tighten the connection for a proper mechanical connection. If there is no casting defect or crack at this point, you have a perfect seal. Because there is Teflon in the connection, there is so…