Medium Teflon Ring - Made in the USA

  Medium Teflon Ring   This is a Medium Teflon ring. There are three different sizes. If you want to use Teflon rings only then you use the thick Teflon ring inside the bonnet nut and the thin on the valve stem. If you prefer the Teflon ring and o-ring version you use the medium Teflon ring and an o-ring.     This Version Fits: Sherwood Thermo Aqualung OMS Blue Steel Dive Rite Scuba Pro Halcyon Salvo