Twin Filters’ High Performance LG Gas Coalescers are designed to remove aerosols and fine particulate contaminants from natural gas streams. The High Performance LG Gas Coalescer utilizes proprietary, high performance ALL SYNTHETIC coalescing media in a pleated configuration to improve performance. Twin Filter offers replacement Elements for Peco, Jonell, Porous Media, Pall and most other Vertical Gas Coalescing Vessels.