Simple but effective guards are the ideal pre-emptive strike. preventing sediment entering the storm water system. Regular checking of the Storm Sentinel is recommended. (A log sheet supplied with each unit makes it easy.) Most units will perform for 3-6 months but where there are heavy sediment loads it may be less than that. Check regularly, and maybe buy a few extra. Features: Efficient, reliable secondary or tertiary storm water contamination protection Durable, quality design and construction Easy to install and easy to remove Fits rectangular drains from 406 x 580mm up to 711 x 914mm Holds up to 20kg of dry sediment Holds up to 55kg of wet sediment Hangs 560mm into the drain
