PRIMA Stainless Steel 1/4" Coupler Thread:Female I clean them in the

I clean them in the sink using Koch Chemie Green Star APC after every use

as that is the residential standard

I do like the removable seat

you can get a truly high-end and long-lasting solution

PRIMA Stainless Steel 1/4" Coupler Thread:Female I clean them in theI was immediately interested when MTM contacted me about their new line of high end fittings called PRIMA. I had them send over one of everything as I always do, and I have felt them and played with them for a few weeks; I can officially say they're legit. Every PRIMA fitting is made in the US, machined, and polished to an almost mirror finish. Now I'll admit that they're not quite as good as the Mosmatic fittings, but they're still exceptional