also try plumbing supply and hardware supply stores and ask for o-rings. bring the protank with you to try for the right size. i`m not sure what you have there for stores. here in the U.S. stores like Home Depot and Lowes should have these o-rings.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.