Premium · Gravity water filter (household)

MSR Guardian Gravity Purifier

≈ €300–350

Our addition: not on the official lists

Buy at Amazon

10 L gravity purifier that removes viruses as well as bacteria and protozoa.

Key specs

Purifier: removes viruses, bacteria, protozoa; 10 L reservoir.

Why we picked it

Only gravity system here that also removes viruses.

Trade-offs

Expensive.

Brand

USA (MSR, 1969)

Where to buy

Amazon

Some links are affiliate links. No sponsored placements. Prices are approximate. Reviewed 19 October 2026.