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  • Berkey BK4X2-BB Big Berkey Filtration System with 2 Black Filters and 2 Fluoride Filters
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Berkey BK4X2-BB Big Berkey Filtration System with 2 Black Filters and 2 Fluoride Filters

by Berkey
| 54 answered questions

Price: $385.50 & FREE Shipping. Details
Only 3 left in stock.
Sold by Principled Distributors and Fulfilled by Amazon. Gift-wrap available.
  • Purifies up to 3.5 gallons per hour
  • Filter Life: Up to 3,000 gallons per filter element
  • Holding Capacity: 2.25 Gallons
  • Cleanable, Self-Sterilizing Filters
  • High Grade 304 Stainless Steel
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6 new from $385.50

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Frequently Bought Together

Berkey BK4X2-BB Big Berkey Filtration System with 2 Black Filters and 2 Fluoride Filters + BIG Berkey Water View Sight Glass + Berkey PF-2 Fluoride/Arsenic Replacement Filters, 2-Pack
Price for all three: $464.48

Buy the selected items together


Product Information

Technical Details
Part Number BK4x2
Item Weight8.8 pounds
Product Dimensions8.5 x 8.5 x 19.2 inches
Item model numberBK4x2-BB-PF-2
FinishStainless Steel
MaterialStainless Steel
Item Package Quantity1
Flow Rate 2 GPH
  
Additional Information
ASINB00BWIX1EQ
Best Sellers Rank #5,599 in Home Improvement (See top 100)
Shipping Weight8.8 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Shipping Advisory:This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Date First AvailableNovember 3, 2009
  
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Product Description

Product Description

The versatile Big Berkey system is the ideal system for use at home with small or medium sized families, travel, outdoor activities or during unexpected emergencies. This powerful system purifies both treated water and untreated raw water from such sources as remote lakes, streams, stagnant ponds and water supplies in foreign countries, where regulations may be substandard at best. Perfect for everyday use, outdoor activities and a must in hostile environments where electricity, water pressure or treated water may not be available. The Big Berkey system removes pathogenic bacteria, cysts and parasites entirely and extracts harmful chemicals such as herbicides, pesticides, VOCs, organic solvents, radon 222 and trihalomethanes. It also reduces nitrates, nitrites and unhealthy minerals such as lead and mercury. This system is so powerful it can remove food coloring from water without removing the beneficial minerals your body needs. Virtually no other system can duplicate this performance. Constructed of highly polished 304 stainless steel, the system comes complete with four purification elements and utilizes the latest technological advances. This system has a storage capacity of about 2.25 gallons (8.5 liters) and when in use it stands 19.25" in height with a diameter of 8.5". The upper chamber nests within the lower chamber for transport and stands only 13" in height. Configured with four Black Berkey purification elements the system will purify up to 7 Gallons (13.3 liters) per hour.

From the Manufacturer

The versatile Big Berkey system is the ideal system for use at home with small or medium sized families, travel, outdoor activities or during unexpected emergencies. This powerful system purifies both treated water and untreated raw water from such sources as remote lakes, streams, stagnant ponds and water supplies in foreign countries, where regulations may be substandard at best. Perfect for everyday use, outdoor activities and a must in hostile environments where electricity, water pressure or treated water may not be available. The Big Berkey system removes pathogenic bacteria, cysts and parasites entirely and extracts harmful chemicals such as herbicides, pesticides, VOCs, organic solvents, radon 222 and trihalomethanes. It also reduces nitrates, nitrites and unhealthy minerals such as lead and mercury. This system is so powerful it can remove food coloring from water without removing the beneficial minerals your body needs. Virtually no other system can duplicate this performance. Constructed of highly polished 304 stainless steel, the system comes complete with four purification elements and utilizes the latest technological advances. This system has a storage capacity of about 2.25 gallons (8.5 liters) and when in use it stands 19.25" in height with a diameter of 8.5". The upper chamber nests within the lower chamber for transport and stands only 13" in height. Configured with four Black Berkey purification elements the system will purify up to 7 Gallons (13.3 liters) per hour.

Customer Reviews

4.4 out of 5 stars

Most Helpful Customer Reviews

278 of 281 people found the following review helpful By WG on March 14, 2014
Verified Purchase
We've read lots of reviews but couldn't find a definitive review, so we decided to test our unfiltered tap water (in Southern California) and with our new Big Berkey Filtered water and here are the results:

Our unfiltered tap water was generally acceptable by the lab with the following notable exceptions:

1. Arsenic: 2.5 parts per billion (ppb) - lab considered this reason for "caution"
2. Uranium 238: 3.1 ppb - also "caution"
3. Aluminum: 94 ppb - caution
4. Fluoride: 0.8 parts per million (ppm) - EPA has not established levels for this category

Here are our results with the Big Berkey (using 2 black filters and 2 fluoride/arsenic filters):

1. Arsenic: less than 1 ppb - lab considers "acceptable"
2. Uranium 238: less than 1 ppb - acceptable
3. Aluminum: 19 ppb - acceptable
4. Fluoride: 0.4 ppm (I wonder if we used 4 fluoride filters instead of 2 if the fluoride would be removed completely)

Items of note, the lab that tested the water is a professional lab (not a home kit) and there are three levels of interpretation: acceptable (safe), caution (consider filtering) and unacceptable (contact municipality and consider alternative sources). The lab uses ICP-MS method to test the water.

Hope this helps. Disclaimer: I have no relationship to the company....I just wanted to know whether or not the filters work!
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296 of 312 people found the following review helpful By Katherina Edwards on December 5, 2011
Verified Purchase
I want to love my Berkey. I know people who love theirs. And it certainly is attractive. Unfortunately, we had to replace the filters 3 times in the first 6 months. The first time we noticed the chlorine taste returning to our water. After that, we just spot checked periodically with the red dye. Sometimes we could flush the filter and it would take care of the problem, other times not. Then we would call the company, who would very nicely send out another filter set (FREE, please note that we weren't charged for new filters each time). One time the filter caps fell right off (the company said it was a bad batch).

So now I'm paranoid. If we don't test every batch of water, how do we know the filters are actually working? Most of the time, we couldn't tell by taste that they were failing; it was only the presence of red dye in the water when we tested that alerted us. I wouldn't feel comfortable at ALL trusting these filters if my health depended on it, like in a disaster or third world country. It makes me wonder how often everybody else is red dye testing their water. Probably not very often, if my experience is anywhere near typical.

On top of that, I gave up completely on the fluoride filters, which were one of my main reasons for purchasing the Berkey. No amount of flushing could get rid of the taste.

Now the plastic spigot handle has broken off (two pieces of plastic 1/16" in size at most were holding it on, one of them broke). It'll only cost $19 to replace it. My husband stuck a key ring in the hole and we're getting by until I throw the whole thing out the window or breakdown and buy the part. I'm shopping for alternatives if anybody can recommend a better filter.
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163 of 173 people found the following review helpful By Artmeliana on December 7, 2011
Verified Purchase
My husband and I have been using Brita style water filters for years -- not only does our area (Metro DC) have atrocious bleachy water, but our condo building shuts off the water for monthly repairs and it always runs cloudy white and silty brown afterwards. (You should see the muddy-metallic buildup in the toilet cisterns.)

But we use so much water between us for tea and coffee and the home carbonation system, that poor little filter jug would get filled countless times per day, and that's without using it for cooking water. What I hadn't noticed was I had eventually stopped drinking water, at all. I had grown to hate water so much that I was disguising it with herbal teas and juice. That's not right. As soon as I drank my first glass of Berkey water, I could not believe how sweet and light it was. Pretty much exactly what water should be! Gone was the dreaded heavy flatness of the old filter water. It has now become a sought after beverage -- we still have to work on developing the habit, but it's quite a pleasure.

The 4 filters take up a lot of space in top and bottom reservoirs, but there's still a ton of water on tap; we don't even fill it daily now, so I am sure we will have a full year of use before cleaning and changing the filters out.
My next purchase will be the glass sight spigot, since it's cumbersome to lift the top section to check on the lower levels, and I don't really have the grip for it when full either.

The instructions are quite involved, but I figured it all out quickly enough. They tell you to put the conical white washer inside, narrow end to hole, and the flat black one outside, but it leaked with a slow drip.
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31 of 32 people found the following review helpful By clifford white on August 16, 2014
Big Berkey must be used everyday or bacteria will grow in dry filters, If you go on vacation have some one baby sit your Berkey, take it with you, dry out filters for 3.5 weeks turning everyday or just buy new filters for $107. Berkey needs to inform customers about this. I had to call Berkey to find out this information.
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