The Harmsco 931 Series are highly efficient filter cartridges made of pleated Polyester-Plus filter media for low pressure drop, high flow capability, increased contaminant removal, long filter runs, reusability, and the lowest cost per gallon filtered.

Features:

• Acetal copolymer construction
• O-rings are NBR (Buna-N)
• Unique oval collet design
• FDA approved materials
• For water, air, gasses, vacuum, & liquids
• NSF Certified 51 & 61
• Fittings may be gray or white based on availability

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.