Have you have ever tried to fill your pump’s oil, only to realize you cannot unscrew the filler cap with your bare fingers? Frustrated, you head for the pliers. This also helps if the pump is hot. A stuck cap can happen from dirt, galvanic corrosion of dissimilar metals and temperature inversions. Frozen Right is proud to offer this custom made oil cap that is a breeze to open. Great for large or arthritic hands. HR Cap fits all the Red Plastic oil caps for “HR 7 CFM” units. The JB Cap fits all J.B. Ind. pumps & “6 CFM” pumps from the Harvest Right freeze dryer.
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