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💧 Elevate your hydration game with the Big Berkey—pure water, zero compromises.
The Big Berkey 2.25 Gallon Gravity Water Filter System features two authentic Black Berkey BB9-2 filters that remove a broad spectrum of contaminants without electricity or plumbing. Crafted from durable stainless steel, it offers a compact, countertop design ideal for households of 1-4 people. Each filter pair provides up to 6,000 gallons of purified water, making it an economical and sustainable choice for everyday hydration.

















| ASIN | B00CYW3EVO |
| Best Sellers Rank | #21,867 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #40 in Under-Sink & Countertop Filtration |
| Brand | Berkey |
| Brand Name | Berkey |
| Capacity | 8.5 liters |
| Container Type | Stainless Steel Chambers |
| Customer Reviews | 4.5 out of 5 stars 4,372 Reviews |
| Global Trade Identification Number | 00197644669424 |
| Included Components | Filters |
| Installation Type | Countertop |
| Item Dimensions L x W x H | 8.5"L x 8.5"W x 19.25"H |
| Item Highlight | Includes 2 Black Berkey Elements, Easy-to-Assemble Stainless Steel Countertop Water Filtration System for Everyday Use |
| Item Weight | 3.3 kg |
| Manufacturer | Berkey |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Flow Rate | 0.03 gpm |
| Model Name | BER-BU2 |
| Model Number | BK4X2-BB |
| Number of Items | 1 |
| Other Special Features of the Product | water filtration |
| Part Number | BER-BU2 |
| Power Source | Gravity |
| Product Dimensions | 8.5"L x 8.5"W x 19.25"H |
| Purification Method | Unique Black Berkey® proprietary filter media |
| Special Feature | water filtration |
| Supported Water TDS Level Maximum (PPM) | 1000 |
| UPC | 197644669424 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |
| Warranty Description | New Millennium Concepts, Ltd. (makers of the Berkey Systems) Warrants this product to be free from defects in materials and workmanship for a period of 6 months from date of purchase. Black Berkey purification elements have a two-year prorated warranty calculated in six months intervals. Not available to ship to California or Iowa. |
A**Y
Great Water Filter Would Buy Again
This Big Berkey water filter works well. I used AI to find the best water filters and this product was recommended as number one. Doing the math, I realized that this product is overall cheaper than bottled gallons of water from the store, and much easier on the back too. I've had no leakage whatsoever so far, and I've used for nearly three months now. The steel construction is very durable and looks nice on the counter. The water filtration is great -I taste only water now. Beautifully clear, and no chemical taste whatsoever. I would purchase again. The one who does not love has not become acquainted with God [does not and never did know Him], for God is love. [He is the originator of love, and it is an enduring attribute of His nature.] 1 John 4:8 AMP For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. John 3:16 NIV for all have sinned and fall short of the glory of God Romans 3:23 NIV And I give them eternal life, and they will never, ever [by any means] perish; and no one will ever snatch them out of My hand. John 10:28 AMP Anyone whose name was not found written in the book of life was thrown into the lake of fire. Revelation 20:15 NIV Then these [unbelieving people] will go away into eternal (unending) punishment, but those who are righteous and in right standing with God [will go, by His remarkable grace] into eternal (unending) life.” Matthew 25:46 AMP
G**R
Works Great
I bought this for a grid down backup, as it is rated to filter surface water not only tap water. It took about one hour to assemble the unit and prime the filters. My tap has a spray nozzle, which means I had to use the alternate primer fitting, but the red dye test came out clean on the first attempt, so the filters were fully primed. I used 1-3/4 gallons of water to fill the tank, leaving a little air space above the filters. It took 2-1/4 hours to filter the entire tank. There was one quart remaining in the upper tank when it finished. The water tastes great and I'm quite happy with the unit.
K**R
Awesome purchase for Berkey water filter system
I love my birthday water filter. Use all of my pets water out of this. I have to refill it every few days. Filters last forever. I would totally purchase one of these again. I highly recommend. I've had it for about a year and a half and have never had any type of leaking issues and it still has the plastic water dispenser spout.
S**R
Great product !!
Fantastic water system. Best tasting water ever. Easy to assemble. Need to put in some effort to prime black elements. Also bought arsenic/fluoride reduction filters. Worth it.
A**R
Peace of mind knowing my water is filtered pure and taste great
Love my Berkey water filter system. It gives me peace of mind knowing my water is filtered pure and taste great. I use it every day filtering my tap water. Love the 2.25 gal size and the design is beautiful on my counter.
S**E
Great investment
My husband and I decided to purchase a water filter after the East Palestine, Ohio train derailment. We didn't want to go with the typical, mainstream brita water filter or the one that connects to a faucet. We have had those before and the filter has to be changed frequently. We liked that the Berkey filters out forever chemicals, specifically the chemicals spilled during the derailment. It also filters out over 200 contaminants, chemicals and bacteria. Setup was fairly easy, however priming the elements was challenging due to the adapter that fit onto our faucet which was a struggle. The life span of the filters is amazing, as they only need to be changed every 11,000 gallons. Although the filters are pricey, around $170ish for 2, they are worth it in the long run. Using the filter is easy. Once set up, just pour water in the top, put the lid back on and you're good to go. Quality of the materials is unmatched. We purchased a stand off Amazon that elevates the element, which you definitely need. Hoping to get the stainless steel spigot soon to replace the plastic one that came with the product. Lastly, I have to say the water tastes AMAZING. Like water should taste. It rivals the taste of Fiji, our preferred bottled water. Our family initially made fun of us for spending so much money on a water filter, but once they tasted it they plan on purchasing one. I was never a big water drinker before, but now I find myself drinking lots of it. We fill up multiple containers of it whenever we leave the house. Great product, give it a try!
H**I
Beware of Used/Reconditioned Berkeys! :(
I ordered a Big Berkey through Amazon in September 2017. The description said "Sold by: Amazon.com Services, Inc $208.11 Condition: Used - Very Good - Item has no cosmetic scratches or blemishes. Item has no cracks or dents. Item will come repackaged." The Berkey arrived with a small dent in the body, which I decided I could live with. Then when I put it together, I discovered that the black plastic wingnuts were both stripped. Buying new ones online was pretty expensive ($30 for a replacement parts kit), and I read a link that said you could secure the wingnuts with plumber's tape. So I did that, and it seemed to work. In retrospect, I should have AT LEAST complained to Amazon when I discovered the dent and the stripped wingnuts... but I thought they'd make me send the whole thing back, which would be difficult as I don't have a car. The other thing I should ABSOLUTELY have done, which I didn't, was the red food color test. The Berkey black filters are able to filter out red dye 40 and 3 (but not other colors, and not natural dyes); when a unit is assembled and red food color is added to the top chamber water, it's a way of telling whether the system is filtering properly. I didn't have enough red food color available (at that time, it said it needed a tablespoon/gallon!), so I just sort of assumed (again, stupidly) that it was working, and went ahead and used it. It seemed to work. How was I to know? Then this past week, I finally got around to doing the red food coloring test, following a cleaning and repriming. .. and BOTH filters failed. The water came through red, even after I got new wing nuts, and had my husband tighten them (they're supposed to be finger-tight, not pliers-tight, which is probably how the ones that came with it got stripped, by whoever had it before me). I also noticed that both filters had some scratches and minor chipping at the top, which was certainly nothing I'd done. Lesson: IF you are so foolish as to buy a used Berkey from Amazon.com Services, inc (or anybody else, for that matter), make sure to run the red food color test RIGHT AWAY, and hope they will honor your 30-day warranty. I now have no recourse but to go to Berkey and buy new filters for $120, and hope they work. At least if I buy them from Berkey, they come with a warranty! But I"m just sick to think that for the past year and a half, I've been carefully NOT filtering our tap water... and running it past plumber's tape, as well! :(
M**Y
Best choice!
Bought Feb 22, 2025: still leaks from the spicket. So it has to stay on my little sink area. That’s really not good since the area is so small and I bought it to go else where. It’s very good besides that. Easy to clean and pour and it makes getting water easily accessible for my child. The stainless steel means it’s long lasting. Love the look. The filter is lasting a long time and I leave by the ocean. So cleaning the filers hasn’t need to be done since I bought it. It’s September now. The package came with a blue facet piece to clean the filters and it’s better than the brown rings before. No other complaints other than the spiked leaking. Strange cause I bought a new one after moving and the first one doesn’t leak at all
M**L
Gran compra
Fácil de montar y usar, funciona perfectamente como se describe.
B**D
Best water filter
Delivers perfect water without much effort. Great design and looks great in the kitchen. I certainly can’t live without this filter as it makes poor quality water taste fantastic
P**R
Looks great, works great
Easy to assemble, little bit of work required on the filters before you can use them, but knew this before I bought this unit. Instructions are OK, but followed other users advice and YouTubed away. I have pretty good water in my area, but the Berkey makes it taste much better.
C**N
Excellent système de filtration par gravité
Très satisfait de ce système de filtration par gravité acheté depuis un mois. J'ai ajouté un robinet inox et un support pour surélever l'ensemble sur ma table. Pour fonctionner les cartouches filtrantes doivent être remplies d'eau du robinet à l'aide d'un petit adaptateur que l'on pose entre le robinet et la cartouche que l,'on maintient à la main. Ça gicle un peu. Ensuite c'est très facile on remplit le bac du haut avec de l'eau max 8 l pour ce modèle et la filtration se fait assez rapidement en moins d'une heure. L'eau purifiée est très agréable à boire sans aucun goût en carafe ou au verre, pour préparer des boissons chaudes et froides. Plus besoin d'acheter des packs de bouteilles en plastique. Entretien une fois par mois en lavant les cuves et en réarmant les cartouches qui sont faciles à démonter/remonter. Les cartouches peuvent filtrer entre 22 000 et 23000 l avant d'être remplacées donc tranquille pour des années suivant la consommation quotidienne. Seuls bémols: notice en anglais mais vous trouverez des vidéos en français sur berkey water france et l'absence de jauge qu'il faut acheter en supplément. Sans elle il faut soulever le bac du haut pour vérifier le niveau d'eau restant dans le réservoir du bas . Ce modèle convient très bien pour une famille de 2 à 4 personnes et se remplit rapidement si vous êtes plus nombreux et que votre consommation augmente temporairement. Pour conclure j'ai vu ce système fonctionner sans problème depuis 2 ans chez ma fille ce qui m'a convaincu de m'équiper.
A**R
Love it
It's pricey to buy but a worthwhile investment in health. The whole house is super happy with it. If you are going to invest in your health in something that is used daily for years, I think quality and efficiency are definitely the two most important factors
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