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Omni CB3-SS6-05 Carbon Block Undersink Replacement Water Filter Cartridge

Omni CB3-SS6-05 Carbon Block Undersink Replacement Water Filter Cartridge
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Omni CB3-SS6-05 Carbon Block Undersink Replacement Water Filter Cartridge

The OmniFilter CB3 water filter is a single-stage under-sink water filter for use with Omni's undersink water filtration systems. The OmniFilter CB3 is also compatible with any brand of water filtration system that uses 9 3/4 inch x 2 1/2 inch filters.

  • 4 mo. or 600-Gallons

  • Reduces lead, cryptosporidium and giardia cysts

  • Removes Mercury

  • Reduces odor and chlorine

  • Reduces rust and sediment

SKU: 

5142815

In Stock
Availability: Usually ships in 1 business days
List Price: $41.94
Our Price: $24.55 & eligible for FREE Super Saver Shipping on orders over $25.
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Product Details:
Product Length: 0.0 inches
Product Width: 0.0 inches
Product Height: 0.0 inches
Product Weight: 0.0 pounds
Package Length: 9.9 inches
Package Width: 3.0 inches
Package Height: 3.0 inches
Package Weight: 0.95 pounds
Average Customer Rating: based on 22 reviews

Customer Reviews:
Average Customer Review:4.0 ( 22 customer reviews )
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Most Helpful Customer Reviews

17 of 20 found the following review helpful:

2Filter does not fit.  Jan 07, 2009
By Barbara J. Willhoit
I purchased this cartridge to replace the original cartridge in my Omni CBF3 undersink filter unit. The new filter assembly is 0.0125" taller than the original assembly. The new filter uses thicker gaskets on the top and bottom surfaces. The taller filter will not allow the top and bottom halves of the canister to screw together sufficiently to compress the filter unit sealing o-ring.

As a result the canister now leaks.

Several emails to Omnifilter prompted a half-hearted response from a lady named Linda. The conversation follows:

Me: Explanation of the problem...

Linda: Please remove the gasket on the cartridge and re-insert the cartridge. This should stop the leaking.

Me: If I remove the gaskets there will be no sealing surface to force the water through the filter. The water will bypass the filter.

Linda: The water will still go through the filter without the gasket.

Me: Are you indicating that, without the use of the gaskets, the filter will make a WATERTIGHT seal with the upper and lower halves of the filter housing?

Linda: Yes.

The less-than-enthusiastic response led me to keep the old, thinner washers in the unit. So far, no leaks.

P.S. If my research is correct, this filter removes particles larger than 0.5 micron, whereas Brita filter pitchers only remove particles larger than 30 micron...60 times larger. My old socks filter water better than a Brita pitcher.

7 of 8 found the following review helpful:

5Omni CB3 Filter Cartridge  Dec 12, 2007
By Dewey R. Myers
The Omni CB3 is an under sink filter replacement cartridge. I use it as the second stage of a dual filter system, a generic carbon filter is used in stage one. My experience over several years of use with this setup has been outstanding. I rely on surface water coarse filtered through a swimming pool sand filter as my only source of water. From a cistern it is pumped to a whole house system. A bar tap faucet at the kitchen sink is connected to the under sink filters and provides all my drinking water. The CB3 provides safe drinking water for 4 to 5 months. The flow rate drops as the filter reaches capacity. The CB3 takes out volatile chemicals, lead, chlorine, sediment, and its 0.5 micron rating traps cysts from animal waste. My wife tells me daily that we have the best drinking water she has ever tasted. I agree. I highly recommend this filter for safe and tasty water.

3 of 3 found the following review helpful:

5Great with Kenmore 34451 countertop filter  Aug 01, 2008
By Derrick
Got the hard to find Kenmore 34451 from ebay and put this filter in it.. cheap setup that delivers great tasting drinking water that is on par or exceeds reverse osmosis units, the best I've ever tasted aside from water from natural springs.

2 of 2 found the following review helpful:

1This is not a real Omnifilter CB3?  Nov 23, 2011
By C. L. Randolph
An Omnifilter CB3 Series A weighs 635 gms. These weigh 520 grams. Looks very similar to a CB3 but how do you explain the 115 gram difference? Great price but exactly what did I just buy?

2 of 2 found the following review helpful:

5No fuss no muss!  Aug 19, 2008
By A. BECERRA
Great product,extra fast delivery and great price for product...first time I ordered w/ other company was $$$$$...did a little research and w/ Amazon's help..Wala!

See all 22 customer reviews on Amazon.com
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