The QA1 valve disc kit is a replacement set for valve service, sold as an eight-pack. Specs note 1.300 in OD x .012 in thick with metric sizing of 10 mm ID x 33 mm OD and 0.300 mm thickness. QA1 offers a broad line of replacement and service parts alongside technical support, so these matched disc sizes are useful when rebuilding or servicing valve assemblies that require consistent dimensions.
QA1 Valve Disc Kit - 1.300in OD x .012in Thick - 8 Pack