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20 x 4.5 Inch Big Blue Water Filters

Used in Whole House Systems, Commercial Filter Systems, and many other Water Filter Systems

81 Products found

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  1. Pentek RFC-20BB Radial Flow Water Filters (20-inch x 4.5-inch) (Main Image)

    Pentek RFC-20BB Radial Flow Water Filters (20-inch x 4.5-inch)

    Price $103.99 List Price Price $148.99 Save 30%
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  2. 20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

    20 X 4.5 Carbon Block Replacement Filter by Tier1 (5 micron)

    Price $39.99 List Price Price $56.99 Save 29%
  3. EP-20BB 155583-43 Pentek Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1

    Tier1 Pentek EP-20BB 155583-43 Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant

    Price $46.99 List Price Price $67.99 Save 30%
  4. 20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)

    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)

    Price $23.99 List Price Price $33.99 Save 29%
  5. DGD-5005-20 155358 Pentek Spun Polypropylene Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1

    Tier1 Pentek DGD-5005-20 Comparable 155358 Spun Polypropylene Filter Cartridge Replacement Kit with O-ring and Lubricant

    Price $26.99 List Price Price $38.99 Save 30%
  6. DGD-2501-20 Pentek Comparable Whole House Sediment Water Filter by Tier1 (alternate)

    20 X 4.5 Spun Wound Polypropylene Replacement Filter by Tier1 (1 micron)

    Price $27.99 List Price Price $39.99 Save 30%
  7. RFC-20BB Whole House Filter Replacement Cartridge by Tier1

    Tier1 RFC-20BB 20 X 4.5 Radial Flow Granular Activated Carbon Replacement Filter (25 micron)

    Price $37.99 List Price Price $53.99 Save 29%
  8. 20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)

    20 X 4.5 Carbon Block Replacement Filter by Tier1 (10 micron)

    Price $48.99 List Price Price $69.99 Save 30%
  9. 20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron)

    20 X 4.5 Pleated Cellulose Replacement Filter by Tier1 (20 micron)

    Price $27.99 List Price Price $39.99 Save 30%
  10. Tier1 20 inch x 4.5 inch Whole House Pleated Polyester Water Filter (5 Micron)

    Tier1 20 inch x 4.5 inch Whole House Pleated Polyester Water Filter (5 Micron)

    Price $32.99 List Price Price $46.99 Save 29%
  11. 20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron)

    20 X 4.5 Pleated Polyester Replacement Filter by Tier1 (30 micron)

    Price $30.99 List Price Price $43.99 Save 29%
  12. R30-20BB 155430-43 Pentek Pleated Polyester Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1 (20 inches x 4-1/2 inches, 30 Micron)

    Tier1 Pentek R30-20BB Comparable 155430-43 Pleated Polyester Filter Cartridge Replacement Kit with O-ring and Lubricant (20 inches x 4-1/2 inches, 30 Micron)

    Price $32.99 List Price Price $46.99 Save 29%

81 Products found

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