Description Lid Gasket for Milk Tanks GASKET FOR MANHOLE OPENING ***DIAMETER IS 19.18 INCHES TO CENTER Mueller lid gasket #10 in detail image at left Fits Mueller, Surge, Koolway, DEC, Bou-Matic, Dairykool manway openings Mueller number 31452 GEA number 7750-0086-131 Made in USA Original Parts by Paul Mueller Co updated November 2024
