Flow Indicator, 51 mm L, Clear, Polystyrene, Blue 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 4.8 to 6.4 mm ID Tubing
Flow Indicator, 76 x 57 mm Overall Size, Polycarbonate Housing, Nylon Indicator Ball, with Two 23 mm Long Tube Extension, Provides Immediate Visual Indication, Arrow Shows Direction of Flow, For 6.4 mm to 9.5 mm ID Tubing
Roto-Flo Flow Indicator, 4.8 to 6.4 mm ID Fit More...