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Replacement 2-stage filter for LifeStraw Go series bottles (white, 1-pack) that combines a membrane microfilter and activated carbon to improve water safety and taste.
If your LifeStraw Go series bottle purchased in 2023 or later needs a fresh filter, this white 1-pack replacement restores the bottle’s two-stage purification system: a long-life hollow-fiber membrane plus a short-lived activated carbon core. Together they reduce microbial contaminants, microplastics and common taste-and-odor culprits while fitting only the Go series lids that twist on over the mouthpiece. LifeStraw filters are independently tested to meet EPA and NSF/ANSI drinking water protocols, and each purchase helps provide a year of safe water to a child in need.
The filter uses a hollow-fiber membrane to physically block bacteria, parasites and microplastics, while an activated carbon element adsorbs chlorine, organic chemicals and odors that affect flavor. The membrane prevents passage of particles down to microbiological sizes; the carbon improves sensory quality and reduces organic contaminants.
The membrane microfilter provides up to 1,000 gallons (4,000 L) of service and is designed to stop flowing when it reaches the end of its life, preventing continued use. The activated carbon stage has a much shorter lifespan—up to about 26 gallons (100 L)—and should be swapped when you notice changes in smell or taste.
This replacement fits LifeStraw Go series water bottles sold in 2023 or later that use the twist-on top lid covering the mouthpiece. It is not compatible with earlier Go models that had a flip-up mouthpiece and carabiner attachment; confirm your bottle’s lid design before ordering.
LifeStraw subjects its filters to rigorous third-party testing aligned with EPA and NSF/ANSI drinking water protocols to verify reduction claims for microbes and other contaminants. The company also maintains B Corp and Climate Neutral Certified status as part of its social and environmental commitments.
Who is this for: This replacement filter is ideal for commuters, travelers, hikers and everyday bottle users who own a 2023-or-later LifeStraw Go series bottle and want to restore its two-stage filtering performance. Choose this 1-pack if you need a straightforward swap-in cartridge that restores microbial protection, cuts microplastics, and refreshes taste and odor control while supporting a proven social-impact program.
Q: How often should I replace the LifeStraw Go replacement filter?
A: Replace the membrane around 1,000 gallons (4,000 L); replace the carbon sooner, around 26 gallons (100 L), or when taste/odor returns.
Q: Will this filter work with all LifeStraw Go bottles?
A: It fits Go series bottles purchased in 2023 or later with the twist-on top lid; not compatible with older flip-up mouthpiece models.
Check the selected model, package contents and stated compatibility on this product page. Prices are shown in GBP with VAT included where applicable.
Questions about this product? Email findsworth.uk@gmail.com and a real person replies within one business day.
Free UK delivery on every order — packed and ready to ship within 1 business day, arriving in 2–4 business days with tracking.
Free 30-day returns: email findsworth.uk@gmail.com for a prepaid label. Refunds land within 3–5 business days of the return arriving. Faulty or damaged items are refunded or replaced immediately.
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