Filter tank of the newest generation with a wide top aperture and a big emptying valve. Filter tanks made out of glass-fibre reinforced plastic of high quality. Handmade to guarantee maximum chemical and mechanical resistance. The components of the tubing are made of PP, ABS and PVC. All the installed screws are made of high-strength and corrosion- resistant INOX and the screw nuts of nickeled brass. The filter tank is delivered including an air-vent valve with a pressure gauge (scale up to 4bar) and an emptying valve.