All correspondence must be made through the Vendor Portal. 1 Required Item Preventative service agreement 49300 - LABORATORY EQUIPMENT, ACCESSORIES, AND SUPPLIES: BIOCHEMISTRY, CHEMISTRY, ENVIRONMENTAL SCIENCE, ETC. 1.00 Each 2 Required Item Prefilter-micron sediment for RO 49300 - LABORATORY EQUIPMENT, ACCESSORIES, AND SUPPLIES: BIOCHEMISTRY, CHEMISTRY, ENVIRONMENTAL SCIENCE, ETC. 1.00 Each 3 Required Item Prefilter- micron sediment for PEDI 49300 - LABORATORY EQUIPMENT, ACCESSORIES, AND SUPPLIES: BIOCHEMISTRY, CHEMISTRY, ENVIRONMENTAL SCIENCE, ETC. 1.00 Each 4 Required Item Prefilter- carbon for PEDI 49300 - LABORATORY EQUIPMENT, ACCESSORIES, AND SUPPLIES: BIOCHEMISTRY, CHEMISTRY, ENVIRONMENTAL SCIENCE, ETC. 1.00 Each 5 Required Item Mixed Bed PEDI Vessels 49300 - LABORATORY EQUIPMENT, ACCESSORIES, AND SUPPLIES: BIOCHEMISTRY, CHEMISTRY, ENVIRONMENTAL SCIENCE, ETC. 1.00