"Richard J Kinch" wrote in message
. ..
Harold and Susan Vordos writes:

Does anyone have a source for food grade O rings?

It is a matter of species, of which nitrile and EPDM are approved. There
is no "gradient" to make any given item food "grade", as if it were a
matter of a continuous variable like purity.

http://www.harborfreight.com/cpi/cta...emnumber=31677

Thank you. My needs are considerably larger than those offered.

Harold