A low-cost 15 gpm diatomaceous earth (DE) water filter is available to small water systems from Fairfield, Calif.-based GNT Filter Co. Designed around the USEPA-approved method using inexpensive DE filter media, this filter meets Long-Term 1 Enhanced Surface Water Treatment Rule requirements. This easy-to-install, skid-mounted filter achieves consistent turbidity removal of less than 0.3 NTU. Cleaning involves a quick removal of an easily discarded dry filter cake with no liquid backwash.
GNT Filter Co.