The 3G UV Unit from Salcor Inc. is proven for residential use and can serve as a reliable building block for larger wastewater disinfection systems. Rated at 9,000 gpd gravity flow, it has a fouling-resistant Teflon lamp covering, two-year lamp warranty, speedy installation, minimal annual maintenance and low energy use. Parallel/series arrays for larger flows are easily assembled with readily available ABS pipefittings. Gravity flow is equalized without distribution boxes. Identical modular units increase plant reliability, reduce the need for spare parts and facilitate plant expansion when necessary. Systems of up to 100,000 gpd capacity have been installed. 760/731-0745.