GOF Pressure Filters Vessels are Constructed Of best quality Mild Steel plates, Workmanship being Of the highest quality.Vessels 3′ 0″ and above diameter are provided with access man holes. The Filter media Used for GOF Pressure Filters consists of a deep bed of fine quartz sand or spar Supported on evenly graded well washed selected graved. in carbon filter the bed consists of special activated carbon granules of various size.Pressure filters are designed Vertical Type as well as Horizontal Type with back wash facility. Designed & manufactured to meet your requirement.