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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 | #16,323 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #38 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 4,205 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 Weight | 0.27 g |
| 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. |
M**R
One of my best investments.
I bought this near the end of 2024 and have used it every day since then as my main water source for consumable water. This water is also used for my dog and all of my plants. It is so easy to use that it makes it enjoyable to filter your water. Clean tasting water without having to lug cases of bottled, micro-plastic filled water up to my second floor pad. It has changed the way I live with water and I absolutely cannot recommend it enough. 5 Stars all day everyday.
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
Highly recommend
Got for in laws. They cannot believe how much better their coffee tastes using the berky water. Mother in law doesn’t like drinking water but now she will due to the incredible difference in taste. The filters are expensive but need very infrequently so it’s worth it. I’ve had mine for years and only changed out filter once.
B**R
Works
Use it daily for over 6 years now, it works wonders on our poor water quality. Highly recommend if you have any water concerns. No water pressure needed, no electricity needed, simple but effective filtration system. Easy to clean and use. Plus looks good on the kitchen 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!
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
L**.
Excellent water filter
Friends suggested this, and we love it. There is a big difference between our tap water now, and our filtered water. I highly recommend this product.
M**T
Works well with adjustments to primer pump except for industrial rubber washers
Major problem: Washers are industrial rubber and leaves a rubber smell and taste in the water. They should have been food grade silicone may be. Still don't know how to resolve that issue but I am not able to use the filter as it is because of this issue. Instructions could be much clearer than they were but we found some youtube videos to help. Mostly the unclear instructions were about priming using the priming pump (which we preferred) instead of the faucet method. If you are thinking of using the primer pump to prime the filter elements, we suggest you watch the video under the review section of the primer pump that we uploaded based on our initially struggled experience with it. That video shows how to solve the two problems with the primer pump. Two problems were: 1. It came with bare instructions without adequate diagram of the valve placements and it is easy to get it wrong without that. 2 The product isn't well designed because the tube insert on the input side is loose enough for air to get in ending up in priming pump not working well. After I struggled with it for 30-40 minutes, both these issues were thankfully solved by my husband so it worked really well and really fast. Two things he had to do: 1. Put a tourniquet like contraption on the input side of the "tube & valve overlap" to make the connection tight enough to not let air in so that the pump would work efficiently without sucking in extra air. 2. Keep the filter element COMPLETELY submerged under water to make it work without wasting time on pumping air in and out for a long time before water could come out. We thought we'll record it so other people could benefit from our experience. Please watch the video to know what I am talking about and make it easier on yourself to use the priming tool. We recorded 2 videos of different problematic parts but Amazon only lets us upload one video per review.
V**L
No More Lead and Chlorine and the Water Tastes Great!!!
I live in London (where water is said to have passed through many people before it got to you) in a Victorian terrace house that is divided into flats. I can't replace the lead water supply pipe from the street as the owner of the flat above me lives abroad and can't be bothered with the expense of replacing the pipe. The water from my kitchen tap has always tasted unpleasant and, with the added lead issue, it ended with my dental hygienist telling me I was far too dehydrated. She told me to get a water filter and so I went with a Berkey, as I wanted something that stands alone and doesn't involve complicated machinery under the sink. Also, I liked the idea that it was gravity-fed and didn't require electricity to work, unlike water distilling machines. I have to say that I am incredibly impressed with the result. They are finding plastic particles in mountain streams in Scotland and the Lake District, so no water in the UK can be considered "100% pure" but with my Berkey the filtered water has no taste of chlorine and no "mankiness" in general. The other day, I drank a glass of water from the kitchen tap without thinking and the horrible taste of it was a shock. I used to have to drink tea and coffee to mask the taste but now I have at least one glass of filtered water for every tea or coffee that I drink and I'm feeling and looking better for it. I still use the kitchen tap for the washing up and cleaning but for everything else, drinking and cooking, I use water from my Berkey. Lead pipes... copper pipes... plastic pipes... they will all have issues and the information that comes with the filter tells us that the Berkey can filter approximately 99% of pollutants (please check the info for the actual details), so I will be having a Berkey in my kitchen at any future property that I move to, even if I'm living in a less-polluted part of the country like Dartmoor. I have a couple of caveats. I have only had my Berkey for a couple of months, so I don't know how easy it is to clean the ceramic filters and I don't know how often they need to be replaced. As we saw with the Volkswagen "Diesel-gate" scandal, it is common practice for companies to be "economical with the actualité" and the filters may have to be replaced earlier than the company says. I won't know for a year or two or three. However, for clean, potable, odour-free water...? In my experience, the Berkey has genuinely been worth the initial expense (it has been cheaper than paying a builder to dig up my front yard and replace the feeder pipe) and I won't balk at the expense of getting new filters when the time comes. Other people who have purchased it complain that not all the water drains from the tanks due to how the ceramic filters and the spigot are placed but I have no issue with this. The small amount of unfiltered water that can't drain out of the top tank is poured into the sink and the small amount of filtered water in the bottom tank gets poured into a jug I keep in the fridge. It's very easy to manage. I just need to add that the advice on assembling the Berkey isn't very clear, especially the part about how you "prime" the ceramic filters. So I recommend that you look at videos on YouTube where people show you how to do it. Once the details are clear, it takes just a few minutes. BTW, after having my Berkey for 3 months, my dental hygienist is really impressed with the results. I am now properly hydrated and the water I drink has less calcium in it thanks to the Berkey, so I have much less tartar on my teeth than I used to.
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.
S**K
Posiblemente un amigo de por vida
Recomendado. Una solución brillante y ecológica al problema del suministro de agua poco fiable. Parece caro cuando lo ve, pero puede durar toda la vida, con filtros de purificación de repuesto cuando sea necesario. Es una construcción de acero inoxidable muy elegante y de alta calidad. Los filtros deben reemplazarse de vez en cuando, y también parecen ser costosos, pero necesita agua potable de calidad confiable sin botellas de plástico. Descubrí que configurar el sistema de purificación siguiendo la hoja de instrucciones requiere una concentración cuidadosa. Recomiendo comprar la bomba de cebado que facilita el cebado de los filtros. Además, en el primer cebado, frote suavemente los filtros como se sugiere en las instrucciones. Esto ayuda a garantizar que los poros externos de los filtros estén limpios y abiertos. Si tiene un problema o está disgustado con el agua que produce Berkey, comuníquese con el vendedor de inmediato.
Trustpilot
5 days ago
2 months ago