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FiltersFast FF10S-1 Replacement for Watts FPMB1-978


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The FiltersFast FF10S-1 Replacement for Watts FPMB1-978 sediment filter cartridge is used as pre-filtration for reverse osmosis systems and post-filtration for GAC filters. The FF10S-1 water filter reduces extra fine dirt, sand, silt, rust and sediment found in your drinking water. This FiltersFast filter is also used in a wide range of applications such as residential, commercial, industrial and food service. It's 1 micron design is constructed with a graded density that traps particles for superior performance and dirt holding capacity over standard spun polypropylene and string wound cartridges.


  • Brand: FiltersFast
  • Part Number: FF10S-1
  • Replaces Part Number: FPMB1-978
  • Pack Size: 1
  • Filter Media: Polypropylene
  • Dimensions: 9 7/8" x 2 1/2"
  • Micron Rating: 1
  • Initial Differential Pressure: 0.6 psi at 5 GPM
  • Operating Temperature Range: 40 to 145° F
  • Reduces extra fine sand, dirt, rust, scale, and sediment particles

Compatible Parts:

The FiltersFast FF10S-1 Replacement for Watts FPMB1-978 is the correct replacement for the following part numbers:

  • 155225
  • 155225-43
  • 3002
  • 93113
  • 94766
  • AP1003
  • APS1001
  • DEV9109-07
  • DEV910907
  • FF10S-1
  • FPMB1-978
  • MB-01-10
  • MB01-10
  • P1
  • PFS101
  • PP1001
  • PX01-10
  • SDC-25-1001
  • SDF-25-1001
  • SPB-1-10
  • SPSF1