Kelp lab · Specimen ledger
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Tide frame
Lab notes
Wave shelves · perforated field sheets
Description
Febco 765 QT PVB 3 4 Part of the 765 Series ZC100F 2NH This 2 inch double check This 2 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements reducing annual water expenses
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