1-4Pack 20x4.5" 5μm CTO Carbon Block Water Filter Big Blue Cartridge Replacement

US $39.99/ea
Condition:
New
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1 Pack
2 Pack
3 Pack
4 Pack
More than 10 available12 sold
Bulk savings quantity 1
Bulk savings:
Buy 4 or more for 33.59 each one

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This one's trending. 12 have already sold.
People are checking this out. 9 have added this to their watchlist.
Shipping:
Free 2-4 day delivery
Get it between Wed, Jul 9 and Fri, Jul 11 to 94104.
Located in: Auburn, Washington, United States
Returns:
30 days returns. Seller pays for return shipping.
Payments:
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eBay item number:266133253175
Last updated on Jun 19, 2025 17:20:22 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Type
Water Filter
Brand
Membrane Solutions
Compatible Brand
For SimPure, Aqua-Pure, GE, Geek-Pure, Hydronix, For iSpring, Pen-tek, ClearChoice, Express Water, For Ronaqua, 3M, Whirlpool, Olympia, For Culligan, Aquasana, Watts, etc
Compatible Model
For Express Water FLTWH2045C, FLTWH2045C02, For Geekpure BC20-BB-5, For iSpring FC25BX4, KX Matrikx 32-450-20-GREEN, For SimPure DB20 / DB20P, For Pentek 255678-43, EP20-BB, Purenex 2C-20BB, etc
Model
CTO-F20B-5
Contaminant Removal
Chlorine Taste & Odor
Suitable For
Commercial, Household
MPN
CTO-F20B-5
Custom Bundle
No
Filtration Method
Carbon/Charcoal, Carbon Block, CTO, Coconut Shell Carbon, Reverse Osmosis, Sediment
Capacity
Up to 50,000 Gallons
Color
Gray
Manufacturer Color
Gray
Number in Pack
1 to 4 Pack
Material
Coconut Shell Carbon
Item Height
20 in
Item Width
4.5 in
Manufacturer Warranty
1 year
California Prop 65 Warning
CTO Water Filter Cartridge Replacement
Filtration
5 Micron
removes up to
99% of chlorine, Taste, and Odor
Size
20"x4.5"
Replace the filter every
6 months
Life Cycle
Up to 50,000 Gallons
UPC
Does not apply
Inside Diameter
21mm
Outside Diameter
117mm
Compatible with
Pentek, GE, Watts
Lifetime
Replace every 6 months or earlier
Number of Filtration Stages
3-Stages
Country/Region of Manufacture
United States

Item description from the seller

About this seller

domesticwaterfilterexpert

99.4% positive feedback154K items sold

Joined Jun 2006
Membrane Solutions, LLC. Customer Service representatives are available Monday through Sunday , from 8:30 a.m. to 7:30 p.m. (local country times). You may also e-mail your questions via ebay at any ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (34,004)

All ratings
Positive
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Negative
  • 0***p (2383)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great Seller! Knows his product and was extremely informative and solves problems
  • v***e (80)- Feedback left by buyer.
    Past year
    Verified purchase
    Good deal! Great seller.
  • 5***4 (904)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Great seller, fast shipping, would buy from again
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