ASTRAL TOP MOUNT BOBBIN WOUND FILTER – WTL MODEL

The filter tank is made of an inner fiberglass bladder to resist implosion and a gel coat layer to avoid capillarity. It is then continuously wounded with fiberglass strands to create a high strength vessel The process is recognized as one of the strongest methods of manufacturing a non-corrosive high strength filter tank. All components are injection molded from high strength engineering plastics.