You must buy a minimum of 12 at a time due to manufacturer packaging.

  • Carbon block media

UPC Code:




Special Order

Some items on our website are not normally stocked in our warehouses. These items are marked "Special Order" underneath the price on the item's page.

Please understand that Special Order items may not be able to ship within 1 business day like our regularly-stocked items.Some may be shipped directly from the manufacturer. Others might have to be ordered into our warehouse with the next order from that manufacturer and then shipped to you; this could take up to several weeks.

As a result, we urge you to contact us if you have questions about the delivery time of a Special Order item you wish to order.

Please note - we are not always able to cancel special order items once the order is placed. These items may also be non-returnable. Please contact us if you have any questions before ordering this item.

Capacity 20,000 Gallons
Filter Type Chlorine


Maximum Temperature 100 Degrees F
Micron Rating 5 Microns
Service Flow Rate 4 GPM
Type Filter Cartridges


This 3M Cuno CFSCB05S-C20 chlorine taste and odor drop in cartridge is excellent for use as a retrofit in 20" housings to upgrade your current filtration system. It effectively reduces chlorine taste and odor while also inhibiting scale buildup, and has a capacity of 20,000 gallons at 4 GPM with a micron rating of 5.

Because this item is not stocked in our warehouse, processing, transit times and stock availability will vary. If you need your items by a certain date, please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order or returned once it is placed.

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