Maintenance Kit (Preassembled Tubing) For Hach CL17 New Version (Serial Numbers 544XXXX) Maintenance Kit (for instruments sold after March 2000). Contains pre-assembled reagent tubing, reagent caps and fittings to be replaced annually. Pump module tubing to be replaced at three to six-month intervals.
Maintenance Kits (for instruments sold after March 2000). Contain reagent tubing (either assembled or un-assembled), reagent caps and fittings to be replaced annually. Pump module tubing to be replaced at three to six-month intervals.