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Groz 47511 MicroMatic RSV Dispense Coupler, for use with IBC Tote and 55 Gal Drum, 3/4-inch BSPP Thread: Amazon.com: Industrial & Scientific
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Micro Matic Drum Valve for Diesel Exhaust Fluid (DEF): Plastic EPV Series, 2.5'' x 5 Buttress threads - Dultmeier Sales
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