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    Rainbow Pentair 300/320 Flow Indicator with Check Valve, R172080

    No. 21 Image R172080 Flow Indicator With Check Valve Used on Rainbow Pentair Chemical Feeders, Fits Rainbow's 300 series of Off-line pool chlorinators and also Fits In-Line 320 Models. Flow Meters for Rainbow Pentair chlorinators are required by many health inspectors (for commercial pools), but is also useful for any pool owner or operator, to be certain that flow is passing thru the feeder. Fits both in-line 320 and off-line 300 models of Pentair Rainbow feeders. See all Rainbow Pentair Automatic Feeder parts in our Chlorinator Parts Dept.
      • Item: # ZPEN6814 Rainbow Pentair Indicator, Flow W/Check Valve - R172080 Now Only! $27.99 Was $34.99
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