1.long using life 2.durabe material 3.good price 4.factory supply products features of this Sand Filter :1) Size: 36" - 80"2) Multi-valve functions:a) Filterb) Waste (water is drained directly)c) Closedd) Backwashe) Re-circulate (circulates water to pool by-pass filter)f) Rinse (after backwash, remaining dirt in the valve is flushed out)Height: 680-2520mmDiameter of pipe: 1.5"-6"Sand: 70- ...
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