waterfilterlist.

A little more knowledge.
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Independent reference
U.S. household filtration
How we research
EXACT REPLACEMENT CARTRIDGE

Brita OB03

Original / Standard. Documented in 20 system combinations. Select your system to see the claims that apply to that exact pairing.

Compatibility does not transfer reduction claims between systems. Do not substitute a similar-looking cartridge.

Price & annual cost

$7.99 for 1 cartridge(s) · observed 2026-09-21

Observed manufacturer single-cartridge price, before tax and shipping. Check current price before purchase; multi-pack discounts may differ. Select a system below to calculate its annual cartridge budget.

manufacturer price · ACCESSED 2026-09-21
Brita Original replacement filter manufacturer price

One filter: $7.99. Multi-pack discounts not used. Price observed on access date; excludes tax and shipping.

Documented system matches

Brita OB01OB03 · 40 gal · reviewed 2026-09-21Brita OB11OB03 · 40 gal · reviewed 2026-09-21Brita OB21OB03 · 40 gal · reviewed 2026-09-21Brita OB24OB03 · 40 gal · reviewed 2026-09-21Brita OB32OB03 · 40 gal · reviewed 2026-09-21Brita OB36OB03 · 40 gal · reviewed 2026-09-21Brita OB41OB03 · 40 gal · reviewed 2026-09-21Brita OB43OB03 · 40 gal · reviewed 2026-09-21Brita OB44OB03 · 40 gal · reviewed 2026-09-21Brita OB46OB03 · 40 gal · reviewed 2026-09-21Brita OB47OB03 · 40 gal · reviewed 2026-09-21Brita OB48OB03 · 40 gal · reviewed 2026-09-21Brita OB50OB03 · 40 gal · reviewed 2026-09-21Brita OB51OB03 · 40 gal · reviewed 2026-09-21Brita OB53OB03 · 40 gal · reviewed 2026-09-21Brita OB54OB03 · 40 gal · reviewed 2026-09-21Brita OB58OB03 · 40 gal · reviewed 2026-09-21Brita OB60OB03 · 40 gal · reviewed 2026-09-21Brita OB61OB03 · 40 gal · reviewed 2026-09-21Brita OB62OB03 · 40 gal · reviewed 2026-09-21