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Philter Labs is a San Diego maker of biodegradable personal air filters that reduce smoke and vapor particles and odors.
Founded in 2019 and headquartered in San Diego, US, Philter Labs designs personal air filtration products, including the PHILTER Phlip for casual vapers, rated up to 150 exhales per filter, and the PHREND for frequent users, rated up to 500. Its filter cartridges are made from plant-based biodegradable polymers, and products are sold direct to consumers and through retailers and wholesalers. Co-founders John Grimm and Yuval Shenkel raised AUD 1 million in Series A funding from Atayf Investments in June 2023.
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