GroLine Nutrient Dosing System HI981413-20 with HI30033 conductivity probe, panel mounted flow cell, fittings and tubingHI981413 20 (with flow cell mounting kit) is supplied with HI981413 controller, HI30033 pH temperature probe, flow cell for HI981413 BL101, mounting panel assembly for HI981413 BL101, controller aspiration filter, controller injector, 1 2 thread, saddle for 50 mm pipe (3), aspiration PVC tube (flexible) (5 m), dispensing PE injection tube (rigid) (15 m), tubing adapter 1 2 6 mm with racord (2), valves (2), conductivity calibration solution, 20 mL (3),