Harmsco® WaterBetter® Polyester Catridges


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.

Products


Harmsco® 801-0.35/20 20" Premium Pleated Filter 0.35 micHarmsco® 801-0.35/20 20
Part Number: 801-0.35/20
Alternate Part Number: 801-0.35/20W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 0.35 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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MSRP: $25.19
$22.25 

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Harmsco® 801-1/20 20" Premium Pleated Filter 1 micHarmsco® 801-1/20 20
Part Number: 801-1/20
Alternate Part Number: 801-1/20W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 1 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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MSRP: $19.35
$18.57 

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Harmsco® 801-5/20 20" Premium Pleated Filter 5 micHarmsco® 801-5/20 20
Part Number: 801-5/20
Alternate Part Number: 801-5/20W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 5 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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MSRP: $16.82
$15.57 - $340.13

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Harmsco® 801-20/20 20" Premium Pleated Filter 20 micHarmsco® 801-20/20 20
Part Number: 801-20/20
Alternate Part Number: 801-20/20W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 20 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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MSRP: $16.19
$15.57 

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Harmsco® 801-50/20 20" Premium Pleated Filter 50 micHarmsco® 801-50/20 20
Part Number: 801-50/20
Alternate Part Number: 801-50/20W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 50 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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$15.57 - $340.13

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Harmsco® 801-0.35W 9-3/4" Premium Pleated Filter 0.35 micHarmsco® 801-0.35W 9-3/4
Part Number: 801-0.35W
Alternate Part Number: 801-0.35
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 0.35 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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MSRP: $13.27
$12.60 - $268.39

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Harmsco® 801-1W 9-3/4" Premium Pleated Filter 1 micHarmsco® 801-1W 9-3/4
Part Number: 801-1W
Alternate Part Number: 801-1
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 1 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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MSRP: $9.68
$9.06 

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Harmsco® 801-10W 9-3/4" Premium Pleated Filter 10 micHarmsco® 801-10W 9-3/4
Part Number: 801-10W
Alternate Part Number: 801-10W
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 10 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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$7.80 

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Harmsco® 801-20W 9-3/4" Premium Pleated Filter 20 micHarmsco® 801-20W 9-3/4
Part Number: 801-20W
Alternate Part Number: 801-20
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 20 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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MSRP: $8.28
$7.80 - $167.65

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Harmsco® 801-50W 9-3/4" Premium Pleated Filter 50 micHarmsco® 801-50W 9-3/4
Part Number: 801-50W
Alternate Part Number: 801-50
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 50 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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MSRP: $8.28
$7.80 - $167.65

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Harmsco® 801-100W 9-3/4" Premium Pleated Filter 100 micHarmsco 801-100W Pleated Filter 9-3/4
Part Number: 801-100W
Alternate Part Number: 801-100
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 100 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 6 gpm
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$7.80 

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Harmsco® 921-1 19-1/2" Premium Pleated Filter 1 micHarmsco® 921-1 19-1/2
Part Number: 921-1
Alternate Part Number: 921-1W
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 1 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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$18.54 

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Harmsco® 921-5 19-1/2" Premium Pleated Filter 5 micHarmsco® 921-5 19-1/2
Part Number: 921-5
Alternate Part Number: 921-5W
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 5 µm
  • Country of Origin: USA
  • Flow Rate: 4-6 gpm
  • Recommended Flow Rate: 12 gpm
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MSRP: $16.19
$15.36 - $340.13

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Harmsco® 921-20 19-1/2" Premium Pleated Filter 20 micHarmsco® 921-20 19-1/2
Part Number: 921-20
Alternate Part Number: 921-20W
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 20 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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MSRP: $16.19
$14.62 - $340.13

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Harmsco® 921-50 19-1/2" Premium Pleated Filter 50 micHarmsco® 921-50 19-1/2
Part Number: 921-50
Alternate Part Number: 921-50W
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 50 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 12 gpm
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$14.62 

 
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Harmsco® 931-0.35 29-1/4" Premium Pleated Filter 0.35 micHarmsco® 931-0.35 29-1/4
Part Number: 931-0.35
Alternate Part Number: 931-0.35W
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 0.35 µm
  • Country of Origin: USA
  • Flow Rate: 4- 6 gpm
  • Recommended Flow Rate: 18 gpm
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$40.27 - $879.46

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Harmsco® 931-5 29-1/4" Premium Pleated Filter 5 micHarmsco® 931-5 29-1/4
Part Number: 931-5
Alternate Part Number: 931-5W
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 5 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 18 gpm
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$28.61 - $617.68

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Harmsco® 931-10 29-1/4" Premium Pleated Filter 10 micHarmsco® 931-10 29-1/4
Part Number: 931-10
Alternate Part Number: 931-10W
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 10 µm
  • Country of Origin: USA
  • Flow Rate: 4-6 gpm
  • Recommended Flow Rate: 18 gpm
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$28.61 - $617.68

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Harmsco® 931-20 29-1/4" Premium Pleated Filter 20 micHarmsco® 931-20 29-1/4
Part Number: 931-20
Alternate Part Number: 931-20W
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 20 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 18 gpm
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$28.61 - $617.68

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Harmsco® 931-50 29-1/4" Premium Pleated Filter 50 micHarmsco® 931-50 29-1/4
Part Number: 931-50
Alternate Part Number: 931-50W
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Filter Application: Sediment/Dirt/Rust
  • Micron Rating (Nominal): 50 µm
  • Country of Origin: USA
  • Recommended Flow Rate: 18 gpm
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MSRP: $31.44
$26.49 - $617.68

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Harmsco® WB-20-1W 20" WaterBetter Filter 1 MicronHarmsco® WB-20-1W 20
Part Number: WB-20-1W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 1 µm
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MSRP: $18.01
$15.83 

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Harmsco® WB-20-5W 20" WaterBetter Filter 5 MicronHarmsco® WB-20-5W 20
Part Number: WB-20-5W
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 5 µm
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MSRP: $15.39
$13.42 

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Harmsco® WB-20-20W 20" WaterBetter Filter 20 MicronHarmsco® WB-20-20W 20
Part Number: WB-20-20W
Harmsco WB-20-20W 20" WaterBetter Filter 20 Micron Features: The 20" Harmsco WaterBetter Filter is a highly efficient filter cartridge with an engineered media for superior performance. It has a pleated design for more surface area, which in turn...
  • Certifications: NSF 61
  • Length: 20" (50.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 20 µm
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MSRP: $15.39
$13.42 

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Harmsco® WB-1W 9-3/4" WaterBetter Filter 1 MicronHarmsco® WB-1W 9-3/4
Part Number: WB-1W
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 1 µm
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MSRP: $7.05
$6.03 - $131.78

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Harmsco® WB-5W 9-3/4" WaterBetter Filter 5 MicronHarmsco® WB-5W 9-3/4
Part Number: WB-5W
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 5 µm
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MSRP: $6.34
$5.35 

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Harmsco® WB-20W 9-3/4" WaterBetter Filter 20 MicronHarmsco® WB-20W 9-3/4
Part Number: WB-20W
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 20 µm
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MSRP: $6.34
$5.35 - $118.55

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Harmsco® WB-50W 9-3/4" WaterBetter Filter 50 MicronHarmsco® WB-50W 9-3/4
Part Number: WB-50W
  • Certifications: NSF 61
  • Length: 9-3/4" (24.8 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 50 µm
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MSRP: $6.34
$5.35 

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Harmsco® WB-921-1 19-1/2" WaterBetter Filter 1 MicronHarmsco® WB-921-1 19-1/2
Part Number: WB-921-1
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 1 µm
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MSRP: $17.46
$15.89 

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Harmsco® WB-921-5 19-1/2" WaterBetter Filter 5 MicronHarmsco® WB-921-5 19-1/2
Part Number: WB-921-5
  • Length: 19 1/2" (49.5 cm)
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 5 µm
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$14.83 - $299.94

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Harmsco® WB-921-20 19-1/2" WaterBetter Filter 20 MicronHarmsco® WB-921-20 19-1/2
Part Number: WB-921-20
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 20 µm
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$14.83 - $526.31

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Harmsco® WB-921-50 19-1/2" WaterBetter Filter 50 MicronHarmsco® WB-921-50 19-1/2
Part Number: WB-921-50
  • Certifications: NSF 61
  • Length: 19 1/2" (49.5 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Pleated Polyester
  • Micron Rating (Nominal): 50 µm
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$14.83 - $299.94

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Harmsco® WB-931-1 29-1/4" WaterBetter Filter 1 MicronHarmsco® WB-931-1 29-1/4
Part Number: WB-931-1
Alternate Part Number: YFCWB9311
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Granular Activated Carbon (GAC)
  • Filter Application: Chlorine/Taste/Odor
  • Micron Rating (Nominal): 1 µm
  • Country of Origin: USA
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MSRP: $22.92
$22.25 

Set of 24 for $20.58 ea
72+ for $18.86 ea

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Harmsco® WB-931-50 29-1/4" WaterBetter Filter 50 MicronHarmsco® WB-931-50 29-1/4
Part Number: WB-931-50
Alternate Part Number: YFCWB93150
  • Certifications: NSF 61
  • Length: 29 1/4" (74.3 cm)
  • Outer Diameter: 2.75"
  • Filter Media: Granular Activated Carbon (GAC)
  • Filter Application: Chlorine/Taste/Odor
  • Micron Rating (Nominal): 50 µm
  • Country of Origin: USA
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MSRP: $21.65
$21.19 

Set of 24 for $19.60 ea
72+ for $17.96 ea

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