Flow Indicator, 51 mm L, Clear, Polystyrene, More...
Flow Indicator, 51 mm L, Clear, Polystyrene, Red Wheel, 5 mm dia Internal Flow Channel, Barbed Tube Ends, 25 mm Paddle Wheel Shell, 10 LPM Maximum and 0.5 LPM Minimum Flow, For 6.4 to 7.9 mm ID Tubing