(On Products over $75) Hanna Instruments HI 60542 Electrode Holder for In-line Direct Pipe Installation, PG 13.5 Thread New - Factory Authorized Distributor - Factory Warranty Electrode Holder Material: PVC O-ring Material: NBR (Buna N)
This male & female coupling set is 2-1/2" NST/NH (National Standard Thread) Double Jacket Bowl is new (older stock) with fem coupling thread gasket and two bowl gaskets. Made of heavy cast brass these are often used on marine, mill or industrial fire hose applications. The set requires two expansion rings and expansion ring application tool .
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