This fibreglass filament wound sand filter is built for high strength and long life. It has a wide neck for easy sand/media loading and changing, a top mount clamp on multiport valve and an inner tank made from fibreglass and a chlorine resistant coating for long life and to prevent implosion under back wash conditions. Maximum continuous operating pressure is 250 kPa. Filter supplied with self sealing barrel unions for easy connect and disconnect when servicing.