Does anyone happen to know which hardware store plumbing gasket fits the elbow on Hollis/DGX (probably some others) wing? -- I can get one one from DGX for $4+p/h but that does sound kinda silly. I'll go on a tour of local Aces and Home Despots on the weekend, but just in case someone's already been through that and knows what the part is called, exactly, please share.
It's 1 3/8" OD / 1" ID / 1/8" thick
It's 1 3/8" OD / 1" ID / 1/8" thick