These plumbing packages include 25 feet of 1/2 MTP, 5/8-in ID Polybraid hose with ½-in Thick wall insulation, two ½-in x ½-in MPT fittings, two hose clamps, these kits can be used with Thermo Scientific ThermoChill I, II, and III for both Standard and LR series recirculating chillers. These insulated line kits keep the chilled fluids cold as they circulate between the chiller and product. These plumbing packages come with hose barbs and clamps. Thermo Scientific Part Number 611000000108.