Shopping Cart
 items0
You have no items in your shopping cart.

Air Filters: 4-inch Size

We've Got the Filter to Fit Your Needs
Clear All
Compare

48 Item(s)

Grid  List 

Set Descending Direction
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $24.29 Retail Price:  $27.59
  • PENTEK-655130-43

    PENTEK-655130-43

    $12.99 Retail Price:  $18.99
  • 3M Aqua-Pure AP117 Comparable Sediment Water Filter Replacement by Tier1
  • Culligan D30 Comparable Carbon Block Whole House Water Filter by Tier1
  • 3M Aqua-Pure AP117RO Reverse Osmosis Water Filter (2-Pack)

    3M Aqua-Pure AP117RO Reverse Osmosis Water Filter (2-Pack)

    $53.99 Retail Price:  $66.99
  • Harmsco 801-50-HT Sediment Water Filter Replacement

    Harmsco 801-50-HT Sediment Water Filter Replacement

    $8.95 Retail Price:  $13.99
  • Omnipure L5515 GAC Water Filter Replacement Cartridge

    Omnipure L5515 GAC Water Filter Replacement Cartridge

    $17.99 Retail Price:  $24.99
  • Hydronix HF2-10BLBK12 Filter Housing (10 x 2-1/2 inches)

    Hydronix HF2-10BLBK12 Filter Housing (10 x 2-1/2 inches)

    $17.99 Retail Price:  $24.99
  • Hydronix HF2-10CLBK12 Clear Housing (10 x 2-1/2 inches)

    Hydronix HF2-10CLBK12 Clear Housing (10 x 2-1/2 inches)

    $18.99 Retail Price:  $25.99
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge
  • AP117 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • OmniFilter CB1 Undersink Water Filter Replacement Cartridge
  • OmniFilter CB3 Undersink Water Filter Replacement Cartridge
  • Culligan D-10-TWIN Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)
  • Culligan D-15 Undersink Water Filter Replacement Cartridge (Level 1, 2-Pack)
  • Culligan D-20A Undersink Water Filter Replacement Cartridge (Level 1)
  • Culligan D-250A Undersink Water Filter Replacement Cartridge

    Culligan D-250A Undersink Water Filter Replacement Cartridge

    $34.09 Retail Price:  $46.99
  • Culligan D-30 Undersink Water Filter Replacement Cartridge (Level 2)
  • Culligan D-40 Undersink Water Filter Replacement Cartridge (Level 4)
  • Culligan HF-150 Whole House Water Filtration System

    Culligan HF-150 Whole House Water Filtration System

    $22.99 Retail Price:  $35.41
  • Culligan P1-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)
  • Culligan P5-D Whole House Water Filter Replacement Cartridge (Level 4, 2-Pack)
  • Culligan RWC-5 Undersink Water Filter Replacement Cartridge (Level 1)
  • Culligan S1A Whole House Water Filter Replacement Cartridge (2-Pack, Level 2)
  • Everpure DEV9108-17 Undersink Water Filter Replacement Cartridge
  • Everpure EV9100-08 / IN-10 Inline Water Filter with 3/8-inch FPT
  • GE SmartWater FXSVC Undersink Water Filtration Set

    GE SmartWater FXSVC Undersink Water Filtration Set

    $67.39 Retail Price:  $89.99
  • GE SmartWater FXULC Undersink Water Filter Replacement Cartridge
  • GE SmartWater FXUSC Whole House Water Filter Replacement Cartridge
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge
  • FXUVC

    FXUVC

    $60.49
  • GE SmartWater FXWTC Whole House Water Filter Replacement Cartridge
  • GAC1SS

    GAC1SS

    $15.99
  • OmniFilter RS14-DS Whole House Water Filter Replacement Cartridge (2-Pack)
  • OmniFilter RS14-SS Whole House Water Filter Replacement Cartridge
  • OmniFilter RS1-SS Whole House Water Filter Replacement Cartridge
  • OmniFilter RS2-SS Whole House Water Filter Replacement Cartridge
  • OmniFilter RS3-SS Whole House Water Filter Replacement Cartridge
  • OmniFilter RS7-SS Whole House Water Filter Replacement Cartridge
  • OmniFilter TO1SS Whole House Water Filter Replacement Cartridge
  • OMNIPURE-Q5505

    OMNIPURE-Q5505

    $16.79
  • OMNIPURE-Q5515

    OMNIPURE-Q5515

    $22.79
  • Culligan D-28 Undersink Water Filter Replacement Cartridge (Level 1)
  • Culligan NCP-10 Whole House Water Filter Replacement Cartridge
  • Culligan RV-600A Inline RV Pre-Tank Exterior Water Filter (Level 1)
  • OmniFilter RS4-DS Whole House Water Filter Replacement Cartridge (2-Pack)
  • OmniFilter CB20 Undersink Filter Replacement Cartridge

48 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top