· Laminated high-performancesand filters manufactured of polyester/fibreglass resin. Comes in red. · Filterin bed from 545 mm to 785 mm, depending on the filter diameter. · Equipped with 1''collectors arms, and diffuser of highly resistant plastic. · Fitted with pressure gauge, manual water drain plug, and automatic and manual air purge. · 2 1/2'' sand drain. · Side-mount, 6-way selector valve for filter, backwash, rinse, recirculate, waste and closed, except for diameter 950 mm · Polypropylene base. · Screwless lid for quick opening and closing. · Maximum operating pressure: 2,5 kg/cm2.