This is a used, excellent condition diaphragm that still has a lot of life left. There were some nicks repaired a couple of years ago by using 3M Marine Adhesive Sealant 5200. I'm including an OPV, but it's missing the spring (should be hard to find a spring to get the job done).

Price is $700 OBO, and that includes shipping within the US.

Cheers,
Matt

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