Which removes more contaminants, the BOROUX or the ProOne Big+?

Both are certified to NSF 42, 401 and 372. The ProOne Big+ adds NSF 53, which covers health-related contaminants such as lead. BOROUX claims up to 99.97% removal of lead, PFAS and chlorine under its WQA certification.

Which lasts longer before I buy filters?

The BOROUX. Its two included Foundation Filters last up to about 12 months, and four filters stretch that to 24 months. The ProOne Big+ filters last up to 6 months.

Is the BOROUX worth the extra money?

At $399.00 at Amazon versus $49.99 at eBay as of November 6, 2026, the BOROUX costs about $349 more. You get double the filter life, a lifetime chamber warranty and a filter primer. The ProOne covers NSF 53 and costs far less.

Which is better for a small household?

Both hold 3 gallons. BOROUX rates its system for up to 4 users. The ProOne's 6-month filter life means more frequent changes for a busy household.

Can I take either one camping?

The ProOne Big+ is marketed as portable for camping, vacations and emergencies, and needs no power or plumbing. The BOROUX is also gravity-fed and needs no plumbing, but it is a 23-inch countertop unit.

Do either need electricity or plumbing?

No. Both are gravity-fed countertop systems that need no electricity or plumbing hookup.

BOROUX 3-Gallon Water Filter System vs ProOne Big+ Gravity Water Filter

Buy the BOROUX if you want long filter life, a 12-month filter interval, and WQA certification to NSF 42, 401 and 372. Buy the ProOne Big+ if budget is the deciding factor: it lists at $49.99 at eBay as of November 6, 2026, against $399.00 at Amazon for the BOROUX as of November 6, 2026. The ProOne adds NSF 53 certification, which covers lead and other health-related contaminants, but its filters last up to 6 months instead of up to 12.

Today the ProOne Big+ Gravity Water Filter costs $349.01 less at its best price.

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