Collection: Water Filters

Water filter replacements and systems
2591 products
  • Pro Products SA40L Neutra 5 Acid Water Neutralizer (40 lb pail)
    Pro Products
    Regular price
    $149.29
    Sale price
    $114.84
    Unit price
    per 
  • K00337 Manitowoc Arctic Pure Replacement Ice Maker Pre-Filter Cartridge
    Manitowoc
    Regular price
    $128.58
    Sale price
    $98.91
    Unit price
    per 
  • Watts W-1812-36 Replacement Reverse Osmosis Membrane
    Watts
    Regular price
    $65.39
    Sale price
    $50.30
    Unit price
    per 
  • KP02N Pro Products Pot Perm Plus Greensand Iron Filter Regenerant 1.5 lb bottle
    Pro Products
    Regular price
    $38.31
    Sale price
    $29.47
    Unit price
    per 
  • 158138 / SLIM-14-WPR5 Pentek Whole House Slim 5 inch Filter Housing
    Pentek
    Regular price
    $30.91
    Sale price
    $23.78
    Unit price
    per 
  • Pro Products SP40N Neutra 7 Acid Water Neutralizer (40 lb pail)
    Pro Products
    Regular price
    $165.05
    Sale price
    $126.96
    Unit price
    per 
  • 155962-43 / QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge
    Pentek
    Regular price
    $42.85
    Sale price
    $32.96
    Unit price
    per 
  • Q5640 / Q5640 Omnipure Replacement Filter Cartridge
    Omnipure
    Regular price
    $33.75
    Sale price
    $25.96
    Unit price
    per 
  • Replacement Water Filter
    Omnipure
    Regular price
    $55.37
    Sale price
    $42.59
    Unit price
    per 
  • Omnipure Q5615 Carbon Block Q-Series Water Filter
    Omnipure
    Regular price
    $39.70
    Sale price
    $30.54
    Unit price
    per 
  • Omnipure K5633-BB Water Filters
    Omnipure
    Regular price
    $33.35
    Sale price
    $25.65
    Unit price
    per 
  • Pentek P25-20 Spun Polypropylene Filter Cartridge, 20" x 2-3/8", 25 Microns
    Pentek
    Regular price
    $22.84
    Sale price
    $17.57
    Unit price
    per 
  • EP-BB Pentek Replacement Filter Cartridge
    Pentek
    Regular price
    $49.62
    Sale price
    $38.17
    Unit price
    per 
  • # 10 Standard Clear Sump for 10" Water Filters
    Pentek
    Regular price
    $42.91
    Sale price
    $33.01
    Unit price
    per 
  • Hydronix ICF-10 Inline Coconut Carbon Water Filter (1/4" FPT)
    Hydronix
    Regular price
    $21.54
    Sale price
    $16.57
    Unit price
    per 
  • Hydronix SWC-25-2010 String Wound Sediment Water Filter (10 micron)
    Hydronix
    Regular price
    $27.35
    Sale price
    $21.04
    Unit price
    per 
  • Culligan US-EZ-1 Under Sink Drinking Water Filter System
    Culligan
    Regular price
    $74.28
    Sale price
    $57.14
    Unit price
    per 
  • WGC478 American Plumber Undersink Compact Filter Replacement Cartridge
    American Plumber
    Regular price
    $35.07
    Sale price
    $26.98
    Unit price
    per 
  • Pentek SW-1A Filter Wrench
    Pentek
    Regular price
    $18.86
    Sale price
    $14.51
    Unit price
    per 
  • Pentek NCP-20 Carbon Water Filters (20" x 2-1/2")
    Pentek
    Regular price
    $33.93
    Sale price
    $26.10
    Unit price
    per 
  • 255482-43 / ECP5-10 Pentek Undersink Filter Replacement Cartridge
    Pentek
    Regular price
    $21.42
    Sale price
    $16.48
    Unit price
    per 
  • 155385-03 / BP-410-5 Pentek Polypropylene Bag Filter
    Pentek
    Regular price
    $19.21
    Sale price
    $14.78
    Unit price
    per 
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Ca...
    Doulton
    Regular price
    $42.87
    Sale price
    $32.98
    Unit price
    per 
  • PUROTWIST-TQ56-50FC Omnipure Reverse Osmosis Membrane
    PuROTwist
    Regular price
    $126.78
    Sale price
    $97.52
    Unit price
    per 
  • American Hydro Systems 2662 Rid O' Rust Liquid Rust Stain Remover, 1-Gallon
    Pro Products
    Regular price
    $38.99
    Sale price
    $29.99
    Unit price
    per 
  • Pentek P-250 Under Sink Water Filter Set
    Pentek
    Regular price
    $43.91
    Sale price
    $33.78
    Unit price
    per 
  • 255492-43 / ECP50-BB Pentek Whole House Filter Replacement Cartridge
    Pentek
    Regular price
    $30.76
    Sale price
    $23.66
    Unit price
    per 
  • WPX100BB97P Fibrillated Polypropylene Water Filter (Sold Individually)
    Pentek
    Regular price
    $37.12
    Sale price
    $28.55
    Unit price
    per 
  • 155002-43 / C1 Pentek Undersink Filter Replacement Cartridge
    Pentek
    Regular price
    $22.74
    Sale price
    $17.49
    Unit price
    per 
  • WBC-OR Square-Cut O-Ring for Big Clear Housings
    Pentek
    Regular price
    $21.01
    Sale price
    $16.16
    Unit price
    per 
  • General Electric WX5X3002 Filter Wrench
    GE
    Regular price
    $24.79
    Sale price
    $19.07
    Unit price
    per 
  • Pro Products Neutra Sul HP41N Pro Grade Oxidizer (1 Bottle)
    Pro Products
    Regular price
    $39.01
    Sale price
    $30.01
    Unit price
    per 
  • Pentek R30-478 Pleated Polyester Water Filters (4-7/8" x 2-5/8")
    Pentek
    Regular price
    $23.04
    Sale price
    $17.72
    Unit price
    per 
  • Pentek PD-25-934 Sediment Water Filter (Sold Individually)
    Pentek
    Regular price
    $21.01
    Sale price
    $16.16
    Unit price
    per 
  • 155749-43 / PD-5-934 Pentek Undersink Filter Replacement Cartridge
    Pentek
    Regular price
    $21.10
    Sale price
    $16.23
    Unit price
    per 
  • Pentek FLOPLUS-10 High Flow Carbon Water Filter
    Pentek
    Regular price
    $33.23
    Sale price
    $25.56
    Unit price
    per 
  • Pentek ECP5-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4" x 4-1/2",...
    Pentek
    Regular price
    $30.34
    Sale price
    $23.34
    Unit price
    per 
  • GE Water Filter MSWF
    GE
    Regular price
    $82.55
    Sale price
    $63.50
    Unit price
    per 
  • Harmsco HB-20-5W 5 Micron Calypso Water Filter, 20 x 4.5-Inch, Blue
    Harmsco
    Regular price
    $65.18
    Sale price
    $50.14
    Unit price
    per 
  • Harmsco 801-20 Water Filter Cartridge (Blue End Cap)
    Harmsco
    Regular price
    $31.36
    Sale price
    $24.12
    Unit price
    per