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FM4X3 Watts

4-round 30 in. Cartridges, 2 in. NPT; 90 gpm max

100% stainless steel design, V-band clamp lid closure, pressure rating 150 psi. Available in 304 or 316ss.


  • Each Flow-Max cartridge is pleated for greater filtration surface area and is easy to install and remove
  • Heavy-duty housing made from stainless steel holds multiple filtration cartridges
  • Maximum flow rate: 90 gpm
  • Pipe fittings are readily accessible for easy installation

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific FM4X3

Approval Information

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