ESG Filtration offers the following products. Sample system filtration, coalescing, liquid/liquid separators, fast loop filters, pressure regulators. Air/gas dryers. Liquid/gas filter cartridges, filter bags, (nominal, absolute). Filter housings: natural gas/liquid (lube oil, glycol, amine, water): carbon absorbers, reverse osmosis systems, specialty filtration. Distributors of 3M, GE Water and Process, headline Filters, Sunsep Dryers and CONCOA.