Pentair Purex SMBW 4000 Series Filter Parts
Pentair Purex SMBW 4000 Series filters remove the tiniest of contaminants, so your water truly sparkles. In addition to exceptional filtration, Pentair SMBW 4000 Series D.E. filters feature sheet molded fiberglass tanks and Noryl rotary backwash valves for long life, dependable performance and easy maintenance.
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