This QA1 valve disc kit contains eight replacement discs sized 10 mm ID x 23 mm OD with an approximate thickness of 0.250 mm (about 0.010 in). Intended for valve service and rebuild work, the kit supplies correct-dimension discs to restore valve function, and QA1’s replacement parts and technical support are available to assist with installation and setup.
QA1 Valve Disc Kit - .900in OD x .010in Thick - 8 Pack