FLM-3 1/4" Flow Meter Water Purifier Electronic Digital Display Monitor Filter W

Can set the flow alarm sound prompt. Battery: 2 x 1.5V Batteries(not included). Accuracy: ±10%. Resolution: 1L/G; 0.1LPM/GPM. 0.8-8.0LPM (liters/minute)/0.2-2.1GPM (gallons/minute).

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