Floating Fish Grader Lighting Diffuser lengths of up to

Diffuser lengths of up to 20’ per inlet are possible at low airflow rates

thick belts and clear clock cover with gasket

slip by slip

Industrial Dock Mount -- does not include 1-1/2" pipe for shipping purposes

Apply 4 to 10 mg/L prior to seeding bacteria

Floating Fish Grader Lighting Diffuser lengths of up toMany species of fish can be graded much faster with these graders because they feature both side and bottom bars (some species will not try to escape through the bottom). These popular, time tested fish graders have been used to grade just about every species of fish. The aluminum frame is polystyrene filled for flotation. Interchangeable grader racks are made from 3 16 hard aluminum rods. Grader spacing is by 1 64 (0. 39 mm). Order the grading rack