Cap for Mueller Internal Measuring Stick

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Cap for Internal Measuring Stick on Mueller Oval Milk Coolers and Bulk Tanks
Rubber Cap / Seal also fits pump mounted drain valve
Outside Diameter - 2.5 inches
Inside Diameter - 2 Inches
Hole Diameter - .375 inches



Part No. M-21774 and M-8822394 are the same item
OEM parts Made in USA by Paul Mueller Company