Description New Old stock Has some surface scratches. Fully functional but not as pretty as brand new. Note this lid is different than the current mueller milk cooler lid and does not work with the Mueller / Surge vent assembly If add to cart button is missing, then no more available. Stainless Steel Cover Only* For bulk tanks / mix tanks with External Measuring Stick OUTSIDE DIAMETER IS 20.5 INCHES Vent required if used in a milking system * 31452 Gasket included ** Vent assembly not included but required Mueller lid in detail image at left Mueller number 8825013 Made in USA Original Parts by Paul Mueller Co Related Items; (some at links below) M-31452 Lid Gasket (included) M-8825012 Manhole cover for tanks with INTERNAL Measuring Stick M-8822227 Latch Strap Assembly updated April 2024