Water bottle with filter

This is a disposable and recyclable water bottle designed with a filter built into its bottom. Unfiltered water is poured into a chamber at the bottle's base, passing through activated carbon and fine membranes to purify it, with a bypass system to prevent spills during filling. The claims specify that the filter covers are rigid disk members.

Why it matters: Since 2009, advancements in low-cost, high-efficiency filtration membranes and more genuinely recyclable plastics could make this complex disposable design more economically viable and environmentally appealing.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCustom plastic molding, filter membranes, bypass mechanism

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