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OPW Visi-Flow® Sight Flow Indicators

Visi-Flo® sight flow indicators by OPW provide a quick, reliable, and economical way to verify flow and monitor fluid color and clarity in process lines. All units feature dual glass for see-through visibility. Propeller, flapper, drip-tube and plain types available in 1/4" to 12" sizes in steel, stainless steel, bronze, dectile iron and specialty alloys.

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