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Multipure Under Sink Water Filter System - NSF Certified, The Highest Rating in Independent Testing
Multipure Under Sink Water Filter shown with included plastic stand. Tubing and Chrome Designer Faucet included.

Multipure Under Sink Water Filter System - NSF Certified, The Highest Rating in Independent Testing

Your Price:$429.95
Retail Price:$479.95
Your Savings:$50.00(10%)
Part Number:CBVOCSB

Choose Options

Faucet Options
Chrome Faucet (Standard, No Charge)
Polished Brass Faucet [+$30.00]
Brushed Nickel Faucet [+$30.00]
Black Faucet [+$30.00]
Almond Faucet [+$30.00]
White Faucet [+$30.00]
Bronze Faucet [+$30.00]
Oil Rubbed Bronze (separate photo) [+$30.00]
Water Filter Usage Monitor help
Electronic Filter Usage Monitor [+$80.00]
Inline Version WITHOUT FAUCET help
Same as the Multipure CBVOCSB as above, but WITHOUT FAUCET, for in-line use [+$-70.00]

MultiPure Under Sink Water Filter System for Below Counter Use - Includes Designer Faucet

The Multipure Under Sink Water Filter system has consistently received the highest possible scores in independent laboratory tests for contaminant reduction. Always Rated #1 Water Filter in test after test. This filter cartridge uses the same carbon block technology as the MP750SB with the CB6 cartridge in a Commercial grade water filtration cartridge, however the filter cartridges are a slightly different configuration and not interchangeable. This system uses the CBTVOC filter cartridge.

Bottled Water, it's expensive and ecologically damaging. San Francisco just banned disposable plastic water bottles! The Smart Answer: A Multipure® CB-VOC-SB Under Counter Drinking Water Filter System.  Enjoy Fresh, Clean Drinking Water for 6-9¢ a Gallon with No Heavy Lifting!
The Optional electronic capacity monitor that measures the amount of water processed through the drinking water system. An included light indicator installs at the base of the faucet, and lights up when the filter needs to be changed (both the monitor and light indicator are battery-powered; batteries need to be changed when the filter is changed). With the accuracy of the capacity monitor usage may be safely increased to 1200 gallons, versus the normal recommended annual replacement. 

And look for added Savings when you place your Multipure Water Filter in your Shopping Cart. We'll also include a FREE Stainless Steel Water Bottle with your purchase.

The Multipure® CB-VOC-SB is an extremely effective drinking water filtration system, here's a complete NSF Certified Test Result for contaminant reduction that installs below your sink and provides convenient access to fresh, clean drinking water with a separate faucet at the sink.

The CB-VOC-SB uses its own specially-designed drinking water faucet that is installed directly on your sink top, requiring little space. And the optional electronic capacity monitor safely allows 1200 gallons of usage. The water filtration unit can set on the cabinet floor with the included plastic stand or be mounted on the cabinet wall. It also may be connected to an icemaker using an icemaker tee fitting, and the system may be converted to a countertop unit with the purchase of a conversion kit (icemaker tee and countertop conversion kit not included).

Multipure® Drinking Water Systems use a solid carbon block water filter cartridge that is considered to be the most effective method for reducing a wide range of contaminants of health concern that may be present in the water. The carbon is compacted into a dense structure, causing every molecule of water to be forced through microscopic pores of carbon, effectively reducing pollutants. The solid carbon block water filter is a replaceable cartridge designed so that it may be easily changed.

Additional advantages of the solid carbon block water filter are that it does not waste water, there is no electricity required, it does not remove essential trace minerals that are beneficial to good health, it does not add salt or silver to the water, and it provides fresh, delicious, healthy drinking water.

The filter housing is constructed of durable stainless steel and the system is tested to meet stringent NSF/ANSI certification standards. With a Lifetime Warranty on the stainless steel housing, a Multipure® Drinking Water System is easily the most cost-effective drinking water filter available for the money.


  • Under counter water filter that ships complete with all required installation hardware
  • Chrome faucet included to dispense drinking water only
  • Employs submicron (0.5 micron) solid carbon block technology with easily replaceable filter cartridge (model CBTVOC)
  • Uses mechanical filtration, electrokinetic adsorption and chemical/physical adorption
  • Tested and certified under NSF/ANSI Standards 53 (Health Effects) and 42 (Aesthetic) to remove a wide range of contaminants of health concern (see product Performance Data Sheet for specific contaminant reduction information)
  • Long filter life – Capacity is approximately 750 gallons or about 1 year of normal use
  • Comes standard with one filter cartridge
  • Extensive owner's manual with detailed instruction for installation and troubleshooting
  • Lifetime Warranty* on housing and 1-Year Warranty on all accessories (*warranty requires annual cartridge replacement)
  • Great for semi-permanent installation in your home or office
  • Economical to own – Operating cost is 9¢ per gallon ($69.95 filter cartridge MSRP ÷ 750 gallons)
  • Owners Manual
  • NSF Performance Certificate

Operation and Maintenance Specifications

Model Number CB-VOC-SB
MSRP $429.95
Minimum Advertised Price $429.95
Replacement Filter Cartridge Model & Est. Annual Maintenance Cost (MSRP) CBTVOC - $69.95
Description Below sink carbon block water filter (may be converted to countertop model)
Filtration Technology Activated solid carbon block
Particle Retention Size 0.5 micron (submicron)
Housing Composition Stainless steel
Housing Installation Mounts under counter
Rubber Items Nitrile
Inlet Supply line connects to cold water via plumbing connection; 1/4" stem
Outlet Separate drinking water faucet mounted on sink (included); 1/4" stem
Rated Filtering Capacity 750 gallons
Approximate Flow Rate @ 60 psi .75 gpm
Maximum Working Pressure 100 psi/8.8 kg/cm2
Minimum Working Pressure 30 psi/2.1 kg/cm2
Maximum Operating Temperature 100°F/38°C - for cold water use only
Minimum Operating Temperature 32°F/0°C - for cold water use only
Compliance Certification NSF/ANSI Standards 42 & 53
Manufacturer Warranty Lifetime on housing; 1 year on accessories
5 Stars
We are very happy with this product. It's easy to change filters and the faucet looks very attractive. I especially love filtering out so many contaminants from our drinking water
Did you find this helpful? 
Reviewed by:  from Norfolk. on 10/22/2015
5 Stars
This is an excellent filter. The band is a little hard to remove to change filter but is a sure way to seal both half of the housing. The faucet is very easy to operate. I added a short (five inches) sediment pre-filter in front of the filter and hope to extend the filter life a little longer. It is surprising to see how dirty "city" water is; dirt, rust, etc. I mounted this and the pre-filter to a wooden platform under the sink and tap into the cold water supply line with a T-adapter. It is working very well.
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Reviewed by:  from NE. on 12/25/2014
5 Stars
good filter, easy install
I tightened the plugs and there have been no leaks for two weeks. It was an easy enough install for an average working person with two young children to do over a few days with just a few tools. The water is fine, and the flow is acceptable.
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Reviewed by:  from East Coast. on 1/29/2014
4 Stars
Good except connectors
We have used a multipure countertop unit for years, but got new counter tops and went with the under sink model. FOr the price, they should give you much better quality connections. The plastic connections immediately leaked so I went out and retrofitted it with brass couplings. Ultimately, I'll replace it with refrigerator supply line hoses. Multipure should be ashamed of this set up. That said, the water flow is terrific, the water is delicious and the faucet looks great. I'd buy it again.
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Reviewed by:  from Downingtown PA. on 7/3/2013
5 Stars
quality filter system
A quality filter. The plumbers who installed it during our kitchen renovation commented on how good the system is. Read the manual though and make sure you run it for awhile and flush it out after its first installed. It takes quite awhile to get to a point where the water is clear. If you run it for several minutes the first couple of times you use it, it will flush it out and then be fine for normal use later.
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Reviewed by:  from Silver Spring, MD. on 6/1/2013
5 Stars
Great Filter System
We couldn't be more pleased with the Multipure Undercounter Water Filter System. We replaced our famous name branded reverse osmosis system with this Multipure system. The old RO system was sending a lot of extra waste water down the drain. The Multipure system doesn't waste water like the RO system did. We actually prefer the taste of the water from the Multipure system as well. The installation was simple but I would recommend sending the output to a bucket or down the sink when you first flush water into the new filter as it does have a lot of the carbon black in the beginning. By running the filter output into a bucket I was able to flush the system without sending this water to my ice maker water line. Once flushed, just hook the filter to the spout and to your ice maker if you have one. Great Filter!
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Reviewed by:  from Scottsdale, Arizona. on 5/24/2013

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