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4½" x 20" Replacement Filter Cartridges

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Items 1-12 of 40

Position Product Name Price UPC
  1. WECO LOTUS-SET-3 Pre-Filter Set for LOTUS RO Systems
    WECO LOTUS-SET-3 Pre-Filter Set for LOTUS RO Systems
    SKU#:LOTUS-SET3
    Price: $92.42
  2. Selective Boron Reduction Cartridge 4.5" x 20" for Standard 4520 Housings
    Selective Boron Reduction Cartridge 4.5" x 20" for Standard 4520 Housings
    SKU#:BSRX-2045
    Price: $890.13
  3. Big Blue 4.5" x 20" Carbon Block 0.5 Micron Water Filter Cartridge for Chloramine Reduction
    Big Blue 4.5" x 20" Carbon Block 0.5 Micron Water Filter Cartridge for Chloramine Reduction
    SKU#:CBCM-4520-0.5
    Price: $101.87 As low as Price: $91.68

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  1. Empty Refillable Cartridge 4.5" x 20" for Big Blue 20" Housings
    Empty Refillable Cartridge 4.5" x 20" for Big Blue 20" Housings
    SKU#:EC2045W
    Price: $24.80 As low as Price: $22.32
  2. WECO 1MPLWCT4520 Pleated Polyester 1 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    WECO 1MPLWCT4520 Pleated Polyester 1 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    SKU#:1MPLWCT4520
    Price: $41.45 As low as Price: $38.55
  3. WECO 10MPLWCT4520 Pleated Polyester 10 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    WECO 10MPLWCT4520 Pleated Polyester 10 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    SKU#:10MPLWCT4520
    Price: $37.02 As low as Price: $34.43
  4. WECO 50MPLWCT4520 Pleated Polyester 50 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    WECO 50MPLWCT4520 Pleated Polyester 50 Micron 4½" X 20" Sediment Filter Cartridge for Particulate Filtration - Made in U.S.A.
    SKU#:50MPLWCT4520
    Price: $54.30 As low as Price: $50.50
  5. Big Blue 4.5" x 20" Carbon Block 0.5 Micron Water Filter Cartridge for Lead Reduction
    Big Blue 4.5" x 20" Carbon Block 0.5 Micron Water Filter Cartridge for Lead Reduction
    SKU#:CBPB-4520-0.5
    Rating:
    100%
    1  Review
    Price: $94.45 As low as Price: $85.00
  6. Pentair Sediment Bag Cartridge 4" x 18" 5 Micron
    Pentair Sediment Bag Cartridge 4" x 18" 5 Micron
    SKU#:BP-420-5
    Price: $19.20 As low as Price: $18.24
  7. US Made Carbon Block 4.5" x 20 Inch Big Blue Type 1 Micron
    US Made Carbon Block 4.5" x 20 Inch Big Blue Type 1 Micron
    SKU#:ACB-4520-1
    Price: $183.99 As low as Price: $156.39
  8. US Made Carbon Block 4.5" x 20 Inch Big Blue Type 1 Micron Chloramine Reduction
    US Made Carbon Block 4.5" x 20 Inch Big Blue Type 1 Micron Chloramine Reduction
    SKU#:ACB-4520-1-CLM
    Price: $193.23 As low as Price: $173.91
  9. PureT HQCBC-20BB-1, 4.5x20" NSF Certified 1 Micron Coconut Carbon Block Filter
    PureT HQCBC-20BB-1, 4.5x20" NSF Certified 1 Micron Coconut Carbon Block Filter
    SKU#:HQCBC-20BB-1
    Price: $56.20 As low as Price: $44.96
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