Vacuum gauges assure accurate readings of line vacuum and provide constant monitoring for maximum herd protection. Dial is 3-7/8" in. Gauge is threaded for 1/4” NPT bottom mount and has a stainless steel cover. Factory calibrated for accuracy. Dual scale, Hg and KPA. Glycerine fill assures accuracy by providing a cushion against vibration. Wt. 9 oz.
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