Fits early model Milk Tanks 500 - 8000 Gallon Serial Numbers: 811001
Model number series manufactured in the 1981 through 2006
fits 80 inch diameter tank body
Old Surge part number 85260
Special Order and Not Returnable
Related items;
Manhole cover gasket; 7750-0086-131
sunset / surge gasket 7000370
Mueller new style gasket also fits - M-31452
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