Genuine Pleatco PMA25-M hot tub filter, Master Spas outer cartridge for PMA-PROPAK2-M (Antimicrobial). Pleatco brand filters are the best in the indusrty and made with the best materials. All Pleatco Filters feature Pleatco's FREE FLOW CORES which deliver better water flow rates and enhance filtration. This efficiency reduces wear and tear on the pump, uses less energy, and provides longer life to the Filter. Proper flow is important as many home owners switch to energy efficient multiple and variable speed pumps.
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