Boroux Legacy 3 Gal
A Royal Berkey sized 3 gal stainless filter with long-life carbon filters. A fair price, but the filters lack an NSF reduction certification.
Amazon $399$399
3 galNSF/ANSI/CAN 3726,000 gal each
2 Boroux gravity filters ranked. Each one is scored and ranked against every brand in its capacity, so "#3 mid-size" means third of all mid-size gravity filters here, not third among Boroux's own.
Boroux makes 2 current gravity filters: 1 up to 2.25 gal and 1 2.5 to 3.5 gal. Prices run from $349 for the Boroux Compact 1.8 Gal to $399 for the Boroux Legacy 3 Gal. Its best-rated model in each size: the Boroux Compact 1.8 Gal (#13 of 17 up to 2.25 gal, rated 2.6) and the Boroux Legacy 3 Gal (#4 of 6 2.5 to 3.5 gal, rated 3.0).
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.
Boroux gravity filters 2
- Boroux Legacy 3 Gal#4 2.5 to 3.5 galFull review
A Royal Berkey sized 3 gal stainless filter with long-life carbon filters. A fair price, but the filters lack an NSF reduction certification.
Amazon $399$3993 galNSF/ANSI/CAN 3726,000 gal each - Boroux Compact 1.8 Gal#13 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$3491.8 galNSF/ANSI/CAN 3726,000 gal each
