Hydro-logic Flowmaster Ultra Low Flow Model 1/4 in
Flowmaster - 1/4 in QC - gallonage & filter capacity monitor. Operates at flow rates between 0.01-0.5 GPM. Ultra low-flow model. Alerts you when it's time to change your filters. For Stealth RO or most RO systems with 1/4 in fittings.
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