2.Integral Top Diffuser ensures even distribution of water over the top of the sand media bed. Full-size internal piping gives a smooth, free-flowing performance.

3.Unitized, Corrosion-Proof Filter Tank molded of tough, durable colorfast polymeric material for dependable, all-weather performance with only minimal care.

4.Efficient, Multi-Lateral Underdrain Assembly with precision engineered, self-cleaning 360° slotted laterals gives totally balanced flow of sand.

5.Integral Molded Drain Plug for easy draining of tank, without the loss of sand.

6.Totally Corrosion-Proof Base is rugged and attractively styled to provide strong, stable support.