W Series sand filter is all about strength and reliability.
The filter tank is made of high-quality fiberglass and resin with a high pressure capability. The outer layer is continuously wound with fiberglass strands to create a high strength vessel. The tank is UV resistance on the surface and the whole filter has a good resistance to chemical and sunlight. The multiport valve is fixed with a clamp system that is easy to remove and quickly locks in place (for filter under 800mm diameter) and bolts system for bigger size filter diameter 800 – 900 mm to ensure maximum strength and durability. The maximum working pressure is 36 psi or 2.5 bar. The maximum working temperature is 43 Celsius or 109 Fahrenheit.