Purewell 2.25G Filter Review: Raises Tap Water pH With a White Alkalizing Stage

Where the Purewell 2.25G Filter Fits

Purewell 2.25G Filter uses 0.01 m filtration for you if you want a gravity water filter with fine particle control.

If your counter setup needs a stainless steel gravity filter, the Purewell 2.25G Filter gives you four filters in one unit.

Purewell 2.25G Filter fits that situation with a 0.01 m hollow fiber UF membrane. That filtration rating is the spec that matters most here.

We screened 28 Gravity Water Filters and selected 15 for full review. Purewell 2.25G Filter earned that place with 694 buyer ratings, the third most of the 28 screened. This review is for you if you want a countertop gravity filter and pore size matters more than extra capacity.

You can also look at our full review of the PW OBJ K to see its performance metrics.

The Short Answer on the Purewell 2.25G Filter

Best for: You want a stainless steel gravity water filter with a 2.25-gallon capacity and a 0.01 m filter pore size.

Choose the Purewell 2.25G Filter if you want that capacity and filtration spec for around $108.99.

• Pro: The 0.01 m pore size gives you a very fine filtration spec for a countertop gravity filter.
• Pro: Its 2.25-gallon capacity suits a countertop batch size that avoids constant refills.
• Pro: The stainless steel body and included stand match the build details many gravity filter buyers want.
• Con: The listing states 4 filters, not a larger cartridge count, so you do not get extra element capacity from the package.

Don’t buy this if: you need a gravity filter with a capacity larger than 2.25 gallons for heavier daily use.

Price assessment: At around $108.99, this is a fair price for the stated stainless steel build, included stand, and 6,000-gallon filter life.

If you have a larger household, see our roundup of the best gravity water filters for families.

The specifications that matter for this countertop gravity filter

Filter pore size is the deciding spec that separates this Purewell 2.25G Filter most clearly. It measures the size of the openings the water passes through.

Performance: What the Specs Deliver

How the 7-stage filtration setup handles sediment, carbon, and membrane filtration

The 7-stage setup also gives you one filter path for sediment, carbon, and membrane filtration in a single countertop gravity filter.

That mix matters if you want one unit to handle taste-related treatment and particulate reduction without adding power or a pump. The stainless steel body and four filters support a household setup that is aimed at regular countertop use, not a single small batch.

How the fluoride reduction stage removes 90% of fluoride

The fluoride reduction stage is explicit here: the black composite filter includes fluoride reduction material, and the listing says it removes 90% of fluoride. For water with a fluoride concern, that is the clearest reason to choose this gravity water filter over a basic sediment-and-carbon model.

The same stage also adds a trade-off, because fluoride reduction is only one part of the filter stack. If your priority is removing taste and odor alone, the fluoride-focused media is extra capability; if fluoride is part of your goal, this is the section that makes the unit relevant.

How the pH raising stage makes tap water less acidic

The pH raising stage gives the Purewell 2.25G Filter a second job beyond contaminant reduction: it raises the pH level of tap water. That makes it more relevant if you want filtered water that is also less acidic in everyday use.

The white PH filter uses alkalizing materials and dual-layer sediment PP membranes, so this stage is tied to both pH change and extra sediment handling. If you want only fluoride reduction, the pH stage is not the reason to buy it; if you want both functions in one countertop gravity filter, this listing states both.

How the Purewell 2.25G Filter Compares to Other Gravity Filters

Purewell 2.25G Filter’s clearest edge is the 0.01 m filter pore size. That filtration opening matches the smallest figure stated among the similar products here, while the stainless steel body and included stand keep the package practical for countertop use.

• Against FACHIOO FSS3A-TB-F 3.25G Water Filter, the price is the same at around $108.99. The difference is capacity: Purewell states 2.25 gallons, while FACHIOO states 3.25 gallons.
• Against PHOENIX GRAVITY Gravity Water Filter System, Purewell states a 0.01 m pore size, while PHOENIX’s comparison data centers on NSF/ANSI 42 and 372 certification instead. That makes the two easier to separate by filtration opening versus certification claims.
• Against Purewell Gravity Water Filter System, this model is the one that states 4 filters. The other Purewell listing in the comparison set does not state that count.
• Against IceJoy 2.25G Gravity Water Filter, the price is about $0.01 higher here. Both products state the same 0.01 m filtration figure, so price is the only listed gap.
• Against CO-Z 2.25 Gallons Gravity Water Filter, Purewell lists 6,000 gallons of filter life.
• Purewell ranks first on buyer rating in this comparison set, with a 4.5 average from 694 ratings. That matters most if you want the strongest rating signal among these six, not the lowest price.

If you want the larger batch size, FACHIOO FSS3A-TB-F 3.25G Water Filter is the better pick. It states 3.25 gallons, which favors fewer refills than Purewell’s 2.25-gallon capacity.

Where this price sits among similar gravity water filters

At around $108.99, the Purewell 2.25G Filter sits at the same price point as the similar Gravity Water Filter products we compared it against, which ranged from $108.98 to $108.99. That leaves you paying for a stainless steel body, four filters, and a 6,000-gallon filter life, while the 0.01 m pore size is the figure that matters most for what the filter can keep out.

Choose it if you want a countertop gravity filter with a stand included and you care more about a 0.01 m filter rating than about chasing a lower sticker price. The 4.5 average from 694 buyer ratings adds context, but the buying case here rests on the listed filtration spec and the included hardware.

From Delivery to First Use with This Gravity Water Filter

What this countertop gravity filter needs before first use

Purewell 2.25G Filter needs replacement filter elements before it can filter water, because the unit’s 7-stage system depends on them.

1. Unpack the stainless steel body and the four filter positions, then set the filter elements into the chamber layout the 7-stage system uses.
2. Install the black composite filter with its 0.01 m hollow fiber UF membrane, since that membrane is the part that handles fine filtration.
3. Add the white PH filter with its dual-layer sediment PP membranes if you want the alkalizing stage and the pH-raising stage to operate together.
4. Fit the spigot gasket at the outlet if the outlet seal is not already in place, because that part helps prevent leaks at the tap.
5. Prime the filter elements if needed, using the priming washer for any element that requires it before first flow.

Do you need the fluoride reduction stage for your water? The black composite filter includes fluoride reduction material and removes 90% of fluoride.

Warranty and support: what to verify for this Gravity Water Filter

Warranty cover differs by seller and country.

• Confirm whether replacement filter elements are covered, because the filter life is 6,000 gallons and those parts are the main wear item.
• Confirm whether the spigot gasket is covered, because a poor seal at the outlet can cause leaks in a gravity system.
• Confirm whether the priming washer is included or sold separately, because some filter elements need it before first use.
• Confirm whether the fluoride filter element is covered if you add one later, because the listing’s fluoride reduction stage is part of the filtration stack.

On the day it arrives, inspect the stainless steel body, the transparent water level window, and every filter element before the return window closes.

The Purewell 2.25G Filter: Remaining Questions

How much water can the Purewell 2.25G Filter hold and how many refills does that mean for a day?

When the lower chamber runs low after breakfast, the Purewell 2.25G Filter gives you 2.25 gallons of storage. That capacity suits a countertop gravity filter for smaller households or lighter daily use, while a 3.25-gallon model usually makes fewer refills necessary for heavier demand.

Purewell’s 0.01 µm filter pore size is the figure that matters most for what can pass through the element.

The stainless steel body and included stand keep the unit in the countertop gravity filter format. The transparent water level window helps you see when the 2.25-gallon chamber is running down, so you can refill before the upper section sits empty.

What does the 0.01 µm filtration rating mean for the Purewell 2.25G Filter?

The 0.01 µm filtration rating is the pore size, so it describes what the Purewell 2.25G Filter can physically block. In this category, that is the key number for particle passage, while capacity and height measure different things entirely.

Purewell also states a 7-stage filtration system with a hollow fiber UF membrane, activated carbon block, and dual-layer sediment PP membranes. Those elements are paired with fluoride removal material and silver ion material, so the listing is aimed at more than taste and odor alone.

The product page says it removes 90% of fluoride and reduces chlorine, organic matter, and heavy metals. That gives you a specific contaminant claim to compare against the NSF/ANSI 53 standard buyers often look for in this category, though this listing does not name that certification.

Is the Purewell 2.25G Filter a good pick for a household that wants fewer refills?

The 2.25-gallon capacity is the main number to watch if you want fewer refills from a countertop gravity filter. Purewell’s tank size sits in the common countertop range, so it is sized for regular use without moving into the larger 3.25-gallon class.

The included stand and stainless steel construction make the setup easier to place on a counter, and the water level window helps you track remaining volume at a glance. If your household uses a lot of filtered water each day, the 6,000-gallon filter life matters more for replacement timing than for day-to-day refill frequency.

The $108.99 price and 4.5 average from 694 ratings give some context, but the storage figure is what decides how often you will refill. A larger tank would change that more than the rating would.

Does the Purewell 2.25G Filter include everything needed to set it up?

Yes, the Purewell 2.25G Filter states that a stand is included. The listing also names four filters, stainless steel construction, and a transparent water level window.

That means the package description covers the main countertop pieces, but it does not state every accessory or assembly detail. The data here is enough to confirm the stand, not enough to spell out the full setup process.

How long do the filters in the Purewell 2.25G Filter last?

The Purewell 2.25G Filter states a 6,000-gallon filter life. That is the replacement figure to use when you are planning long-term ownership, not the day-to-day refill pace.

Among the listings we screened that state filter life, 6,000 gallons sits at the high end of the range. If you want fewer cartridge changes, that number matters more than the stainless steel body or the included stand.

Is the Purewell 2.25G Filter Right for You?

Who the Purewell 2.25G Filter suits and the jobs it is the wrong choice for, listed below with the reason for each.

Where to Buy This Countertop Gravity Filter

Gravity water filters are sold by the retailers below – we do not track which of them has the Purewell 2.25G Filter in stock, so check availability and the current price with the retailer before making a trip.

• Walmart (online and physical stores) — in-store returns
• Target (online and physical stores) — easy local pickup and returns
• Home Depot (online and physical stores) — in-store returns and broad household category coverage
• REI (online and physical stores) — specialist staff and trusted outdoor-water-filter selection
• Bass Pro Shops (online and physical stores) — specialist staff for camping and emergency water filtration
• The Berkey Store (online only) — specialist retailer for gravity water filters
• Amazon (online only) — breadth of range

Final Verdict on the Purewell 2.25G Filter

If you want a stainless steel gravity water filter with a 0.01 m pore size and a stand included, the Purewell 2.25G Filter is a reasonable pick around $108.99.

Its 7-stage filtration system includes a black composite filter with a 0.01 m hollow fiber UF membrane, plus fluoride reduction materials and activated carbon. Think of it like a multi-step gate: each layer narrows what reaches the lower chamber. Purewell also states 6,000 gallons of filter life and a 90% fluoride reduction claim, while 694 buyer ratings give it a 4.5 average.

Skip it if: you need a larger storage capacity than 2.25 gallons, or you want a gravity filter with a stated pore size finer than 0.01 m.