Harmsco® Compatible

Over the past 50 years, Harmsco® has made significant developments in water filters and filtration systems. In addition to being made in the USA, Harmsco® products continue to be market leading, making them the best in the business. Their pleated polyester water filter cartridges, for example, outperform conventional cartridges by lowering filtration costs and maximizing output. Harmsco® Hurricane, WaterBetter, and Swing Bolt housings offer the best filtration options for residential and commercial filtration needs.

Disclaimer: Harmsco® is a registered trademark of Harmsco, Inc, which is not affiliated or otherwise associated with Fresh Water Systems, Inc. or this site. Fresh Water Systems, Inc. acknowledges and confirms that it has not been granted any license or authority from Harmsco, Inc to use the mark, and further confirms that any and all use of the mark on this site is for identification and descriptive purposes only and such use is not intended to, does not, and shall not be deemed to imply any association or affiliation between Harmsco, Inc and Fresh Water Systems, Inc. of any nature whatsoever.


Harmsco® Compatible Hurricane® CartridgesHarmsco® Compatible Hurricane® Cartridges
Harmsco® Compatible Hurricane® Cartridges
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Harmsco® Compatible Poly Pleat CartridgesHarmsco® Compatible Poly Pleat Cartridges
Harmsco® Compatible Poly Pleat Cartridges
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Harmsco® Compatible Premium & WaterBetter® CartridgesHarmsco® Compatible Premium & WaterBetter® Cartridges
Harmsco® Compatible Premium & WaterBetter® Cartridges
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Harmsco® Compatible 701 Series® CartridgesHarmsco® Compatible 701 Series® Cartridges
Harmsco® Compatible 701 Series® Cartridges
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Harmsco® Compatible Calypso Blue™ CartridgesHarmsco® Compatible Calypso Blue™ Cartridges
Replacements for 4-1/2" and 4-5/8" diameter filters aka Big Blue, Heavy Duty housings
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Harmsco® Compatible Liquid Filter BagsHarmsco Liquid Filter Bags
Designed with a snap fit "V" ring to prevent bypass and made of 100% synthetic polypropylene or polyester material.
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Harmsco® Compatible WQA/NSF Certified CartridgesHarmsco® Compatible WQA Certified Cartridges
Harmsco® Compatible WQA/NSF Certified Cartridges
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