View sludge blanket height and see sludge color. Clarifiers, settling tanks, lagoons. Clear Polycarbonate tubes are 1.25" OD with black Ultra High Molecular Weight plastic (UHMW) coupler and automatic check valve. Coupler and check valve are individually machined to super tight tolerances. All components are ultra violet stable. It floats!!!
CHECK VALVE - Largest flow thru annulus in the industry. Durability is unmatched. Internal O-ring and integrated valve stop.
COUPLER - 100% flow thru with four internal O-rings. Individually CNC machined for break-free and leak-free performance. A single thumbscrew fastens the upper tube to the lower tube. No threaded fittings.
***CAN NOT SHIP USPS PRIORITY MAIL
