26 x 20 x 2mm
This gasket is made of paper composite material. You may also purchase the copper version: AS_81, but only one gasket is necessary per valve. This gasket is also used with the Nuova Simonelli Optima sight glass assemblies.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.