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Flow-Max® 40" × 2½", 1 Micron Pleated Filter

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  •   Model # FM-1-40
  •   Brand Watts
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Flow-Max industrial quality pleated sediment filters in all standard 10", 20", and big blue sizes. Available in 0.35 & 1 micron absolute (99.9% removal), and nominal ratings of 1, 5, 20, and 50 microns. Each cartridges is individually wrapped.

Flow-Max filter cartridges outperform wound, spun, melt blown, or resin bonded filter elements because these cartridges are pleated to provide increased surface area and longer life. Further saving are provided because the 100% synthetic filter media is cleanable down to 5 micron.

Cartridges rated for temperatures from 40 - 125 °F. Standard 10" and 20" cartridges have color-coded micron rating, end caps. Big Blue sizes have micron rating embossed in end cap.

  Flow-Max Filter Cartridges Information

Filter Media Synthetic (100% cellulose-free) End Caps Plastisol (PVC)
Center Tubes Polypropylene Temperature Range 40°F - 140°F (4.4°C - 60°C)
Maximum Pressure Change 40 PSID* Recommended Change Out 20-30 PSID*

* Pounds per square-inch drop