Ai Pushi FB series of large sand cylinder flange made of high strength resin and glass fiber winding bonded. High strength, resistance to oxidation, resistant to corrosion. Especially for water, chemicals, swimming pool, landscaped pool, SPA spa pool and other large water treatment business cycle filtration equipment. Ai Pushi FB series of large sand tank flange using the most advanced technology from manufacturers. Where mobility improvements to make the filter more perfect, glass fiber winding structure allows sand tank is more robust and has good chemical resistance and UV sun protection and performance. Uniquely designed uniform water distribution can stabilize water, high culvert drainage system efficiency. Easy to install, easy repair and maintenance; there are eight horizontal row objects mouth, a comprehensive approach to all the filtering materials, ensure optimum filtering effect; a transparent glass in order to observe the extent of rinse water is clear; the bottom of the overall durability ensures maximum stability sex. Is the preferred pool, spa pool, water features and water park filtration equipment.