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SimPure 5 Micron 20" x 4.5" CTO Carbon Whole House Water Filter Cartridge
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 26, 2026 8:59 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
SimPure Direct
🚚 Shipping
Free Shipping
Product Details
✓[Premium & Reliable Material] Made of premium coconut shell carbon block and wrapped in food-grade fabric layers, the SimPure CTO activated carbon water filter effectively blocks contaminants larger than 5 microns from entering the water. Tested by independent third-party to meet NSF 42 Standards for material.
✓[Real 99% Filtration Efficiency] 5 micron water filter carbon cartridge adsorbs up to 99% of residual chlorine, removes tastes and odors like sulfur and chlorine smell, colors, significantly improving water quality. Use this whole house charcoal water filter with sediment filters in the 20inch x 4.5inch household water system to protect the water softener and home appliances, or use them after an inline sediment filter to filter well water or rainwater.
✓[High Flow Rate and Long Service Life] This 20-inch water filter has a large filtration area and a high flow rate of up to 15 GPM, which can meet the water needs of your whole house. It can filter up to 80,000 gallons of water before replacement, saving you time and money. To achieve optimum performance, we suggest to replace it every 3-6 months depending on your water quality.
✓[Universal Size] This 4.5x20 water filter compatible with most 20-inch x 4.5-inch (inner diameter) big filter housings such as SimPure DB20, DB20P, WGB32B, WGB22B WGB12B, HB28B, Geek-Pure BB-20T, BB-20B, 150233, 166201, etc. Ideal replacement for 20-in filter cartridges like FC25b, EPM-20BB, EP-20BB, CBC-20BB, Hydronix CB-45-2005, and CB-20B. Rubber washers on both ends ensure a tight seal.
✓[Versatile Application] It can be used for well water or city water, suitable for various scenarios such as home, office, farm, restaurant, etc.
⚙️ Specifications
Material
Coconut Shell Carbon Block
Product Dimensions
4.5"D x 4.5"W x 20"H
Item Weight
25.8 pounds
External Testing Certification
NSF
Product Benefits
Eliminates contaminants like chlorine, VOCs, taste, odors, and certain heavy metals for POE, and well water systems
Brand
SimPure
Unit Count
6 Count
Number of Items
6
Manufacturer
SimPure
ASIN
B0CYNRRNN8
Item model number
CTO-F20B-5
