Joe Crawford wrote: > W9VC has these at $6.00 per pair. They are original Heath part #268-7. The $6.00 includes first class shipping. Bill is a friend of mine, and I have always gotten great deals from him. > Joe W4AAB > > I bought a couple of O rings at a plumbing supply house for about 50 cents apiece and they work great also. Bill KC5MN