Greetings. In my never ending attempt to avoid any technology that is less than 30 years old, (except my HID light) I am looking for some high pressure seats for the calypso IV regulator. These are the small round (about 3/8" dia) teflon seats with a hole in the middle (like a donut), and an o ring around the middle of the outside. The newer version has a brass insert through the center hole. Thanks.


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