This document describes Royal Dahlman's portfolio of filtration products and services for various industries. It discusses (1) dual media filtration systems using sand or activated carbon for removing suspended solids and oil from water in exploration, gas processing, and refining applications, and (2) solid fines/gas filtration systems using fabric or porous metal filters to remove catalysts, flakes, and powders from hot process gases in industries like polyolefins, refining, gasification, and specialty chemicals. The portfolio covers applications like sea water filtration, produced water treatment, source water filtration, cooling water filtration, and emission control.