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  • Ceramic pre-filter removes 99% harmful bacteria and 100% cysts
  • KDF/GAC filter removes chlorine, heavy metals, and VOC’s
  • Designer faucets available to match any kitchen décor


This powerful water purifier uses 100% NSF certified granular activated carbon (GAC) and KDF to remove chlorine over 99% and substantially reduce up to 99% of lead, pesticides, herbicides, VOCs, benzene, while eliminating bad tastes and odors. An amazing 12,000 gallon rating (or about 3 years of use) makes this one of the most cost-effective systems available today.

The ceramic pre-filter filters 99.9% of harmful bacteria, and 100% of cysts including cryptosporidium and Giardia. This undersink filter uses the Doulton Sterasyl Ceramic Candle that provides a filtration efficiency of >99.9% at 0.5 micron, 98% at 0.2 micron. The ceramic undersink filter may be periodically cleaned and will last up to 3 years before needing replacement.

The UCD-12C under counter water filtration system provides crystal clear, pure drinking water while maintaining healthy minerals such as Calcium, Potassium and Magnesium.

This under counter water filtration system comes complete with a do-it-yourself easy installation kit and a stainless steel faucet spigot; designer faucets are available below. Our installation kit includes a "Ball Valve Assembly" that requires no piercing of your water pipe unlike most other installation kits that use a saddle tap which makes a pin-hole in your water pipe, inviting leaks.  

Partial list of ceramic filter performance:

Cyst Reduction  100%
Cryptosporidium 100%
Giardia 100%
Bacteria > 99.99%

Upgrade the Faucet for Just $49. 
Optional Faucet Upgrade

High quality faucets you won't find anywhere at this price.



What makes our filters better?

    * Our filter cartridge is tested and rated for optimum performance at over 12,000 gallons on city water.

    * Filter cartridge needs only to be replaced on average every 3 years (vs. 6 months like most competitors).

    * Filter has a built-in 1 micron cyst-rated pre-filter to remove Cryptosporidium & Giardia.

    * KDF media is the first stage after sediment to greatly extend the life of the carbon (GAC).

    * GAC media is made from highly adsorbent shells-the most highly adsorbent known.

    * Lifetime warranty on filter components, 3-year prorated on filter cartridge.

    * 60-Day Money Back Guarantee.


1. How often do I have to check my KDF/GAC filter for chlorine using the chlorine test strips.
a. If you are filtering city water, you may check yearly or if the filtered water had a chlorine smell or taste.

2. Can you use the Model CT-12 or CTD-12 for filtering well water?
a. Yes, you can filter well water with the KDF/GAC filter, and it is recommended that you use the Model CTD-12 which has a ceramic prefilter for bacteria. You should replace the KDF/GAC filter once a year if you live in a farming community where pesticides are used.

3. What is the flow rate of the countertop and undercounter filter systems.
a. The flow rate is 1 gallon per minute.

4. What happens if water output slows down.
a. If you're using the CTD-12 or UCD-12C filters, the ceramic prefilter is beginning to get blocked with sediment. The ceramic filter should be removed and soaked in warm water to loosen the sediment. Then the filter should be then wiped off with a cloth.

5. Can the KDF/GAC filter get clogged?
a. The KDF/GAC filter may clog if there is too much sediment in your water. It is suggested that you add a prefilter if necessary, these are just $12 to add.

6. When mounting the undercounter water filter faucet in my sink or countertop, what size is required for the faucet to fit.
a. The faucet requires a 1/2" diameter hole for mounting.

7. How do I replace the KDF/GAC filter when it stops removing chlorine?
a. Remove the filter housing using the wrench supplied with your water filter system. The housing has two parts: the base with the metal fittings, or the wide part, and the longer half, called the sump, that screws into the base. Place the wrench over the narrow end of the sump housing and move towards the wider end until it stops. Turn the sump counterclockwise to remove, keeping it over a sink or pail to catch the water. Remove the old cartridge and slide the replacement cartridge into the sump part of the housing with the end with the open slots facing the open side of the canister; on the top of the cartridge you'll see the words "this end up." Place the base of the housing on the sump and tighten (clockwise) completely to prevent leaking.

8. Who makes your filters?
a. We make virtually every part of our water filters, and all parts are made in the USA.

9. Do you have a filter that removes the fluoride that is added to municipal water systems?
a. The KDF/GAC filter will remove some of the fluoride (30 to 50 percent) added to municipal water systems. A special fluoride filter is required to remove virtually all of the fluoride which may be added to double or triple models.

10. I have a bacteria problem in my drinking water. What product should I use to remove bacteria?
a. The ceramic filter is used to remove bacteria and cysts. Use the Model UCD-12C or the CTD-12, a double undercounter filter with one ceramic cartridge as a prefilter and the KDF/GAC cartridge as the second filter.

11. Do any of your filters contain silver, which is known to kill bacteria?
a. Silver is combined with some carbon filters to inhibit bacteria, but it may not be safe to ingest silver. The KDF/GAC filter inhibits bacteria growth and it is 100% safe.

12. Can I use bleach to clean the ceramic filter?
a. No. Don't use bleach to clean the ceramic filter. Soak it in water with a few drops of dish washing soap and then scrub with a soapless dish cleaning pad. The 3M Scotchbrite brand (or similar pad), available at any grocery store, works well. You don't want to put bleach in your drinking water.

13. How often can you clean the ceramic filter before it wears out?
a. Each time you clean the ceramic cartridge, a small amount is warn away. The filter can be cleaned 30 times before it wears out (about once a month). It will filter approximately 12,000 gallons. You'll need to replace the filter if it becomes too thin and weak.

14. Does the KDF filter remove chloramine?
a. No, it does not.  If your municipal treatment facility uses chloramine, then we recommend you consider installing a whole house filtration system, such as the X-1000.

15. Many of the filters I've seen use a carbon block filter. What is the difference between your KDF/GAC filters and the carbon block filters?
a. The KDF/GAC filter lasts longer and inhibits bacteria growth. The carbon block filter alone allows bacteria to grow, and must be replaced more frequently.

16. After connecting the diverter to my faucet from my countertop filter, water is leaking from the connection. How to I solve the problem?
a. Water can leak from the top of the diverter if you forget to put the black washer into the diverter before you connect it to your faucet (after you've removed the aerator). A black washer is supplied with all countertop filters. Or, you may want to use some Teflon tape.


Partial List of Ceramic Filter Performance:

Cyst Reduction 100%
Cryptosporidium 100%
Giardia 100%
Bacteria 99.99%

Activated Carbon Stage Filters Chlorine and the following:


1,1 Dichloroethylene
1,2 Dichlorobenzene
1,2 Dichloroethane
1,2 Dichloropropane
1,4 Dichlorobenzene
CIS-1,2 Dichloroethylene


Aldicarb Sulfone
Aldicarb Sulfoxide
Heptachlor Expoxide
Ethylene Dibromide
Phthalate (di(2-ethylhexyl))
Biophenyts (PCBs)
Radon (Radionuclide Contaminant)
Total Trihalomethanes (THMs):
- Chloroform
- Bromoform
- Bromodichloromethane
- Dibromochloromethane
Vinyl Chloride


2,4,5-TP (silvex)

Plus, the Patented KDF-55 stage filters (what other carbon-only filters don't have):
Dissolved metals


Size: 12" High, 10" Wide, 5" Deep

Flow rate:
1 Gallon Per Minute


Installation Instructions:

install instructions under sink  water filter

Current Stock:
11.00 LBS
5.00 (in)
5.00 (in)
5.00 (in)
Lifetime Warranty on Housing & Faucet - Proper maintenance must be followed. Both the Ceramic and KDF/GAC filters must be changed every 3 years. KDF/GAC Cartridge 3 Years Pro-Rated

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