Boroux Compact 1.8 Gal
#13 in Up to 2.25 galFull review
A small stainless gravity filter for one or two people with long-life filters. It costs more per gallon of tank than larger rivals.
Amazon $349$349
The Boroux Compact 1.8 Gal is the better gravity water filter overall, rated 2.6 to 2.4. The Boroux Compact 1.8 Gal leads on running cost. The Travel Berkey costs $22 less ($327 vs $349).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Travel Berkey
#17 in Up to 2.25 galFull review
A compact Berkey for one to three people, a dorm, an office or a trip. You pay a lot per gallon of storage for the small size.
Amazon $327$327
Which should you buy?
- Choose the Boroux Compact 1.8 Gal for running cost ($0.013 per gallon filtered ($79.50 per element, 6,000 gal each) vs $0.047 per gallon filtered ($140.94 per element, 3,000 gal each)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 2.25 gal gravity water filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Boroux Compact 1.8 Gal | Travel Berkey |
|---|---|---|
| Overall rating | 2.6/5 | 2.4/5 |
| Value 25% | 16 $193.89 per gallon of capacity ($349, 1.8 gal) | 9 $218 per gallon of capacity ($327, 1.5 gal) |
| Running cost 15% | 71 $0.013 per gallon filtered ($79.50 per element, 6,000 gal each) | 34 $0.047 per gallon filtered ($140.94 per element, 3,000 gal each) |
| Capacity 15% | 7 1.8 gal tank | 0 1.5 gal tank |
| Certification 20% | 10 states certification to NSF/ANSI/CAN 372 | 10 testing claims only, no certification |
| Element life 15% | 100 6,000 gal rated per element | 100 3,000 gal rated per element |
| Warranty 10% | 0 warranty not published, scored as none | 11 1-year warranty |
Specifications
| Boroux Compact 1.8 Gal | Travel Berkey | |
|---|---|---|
| Capacity and flow | ||
| Tank capacity | 1.8 gal | 1.5 gal |
| Price per gallon of capacity | $193.89 | $218 |
| Elements included | 2 | 2 |
| Maximum elements | - | 2 |
| Flow, as shipped | - | 2.8 gal/hr |
| Flow, fully loaded | - | 2.8 gal/hr |
| Filtration | ||
| Element type | Boroux Foundation Black carbon element, 9.5 in | Black Berkey carbon-media element (BB9-2) |
| Certified | NSF/ANSI/CAN 372 | Tested only |
| Certification detail | Filter listing (maker copy): NSF/ANSI/CAN 372 certified by WQA, a lead-free materials standard, not a contaminant reduction certification. System listing: filters tested and independently verified by third-party accredited laboratories, none named. | Berkey states Black Berkey Elements were tested by accredited third-party labs against ANSI/NSF protocols for 200+ contaminants. The elements are not NSF/ANSI certified. |
| Fluoride | Add-on filter | Add-on filter |
| Running cost | ||
| Rated life per element | 6,000 gal each | 3,000 gal each |
| Replacement element | 79.5 $ | 140.9 $ |
| Cost per gallon filtered | $0.013 | $0.047 |
| Build | ||
| Material | 304 stainless steel | 304 stainless steel |
| Height | 17.5 in | 18 in |
| Diameter | 8 in | 7.5 in |
| Weight | - | 4 lb |
| Warranty | - | 1 year |