Washington committee hears bill to require microfiber filters on commercial washers

Jan 15, 2026

A state committee heard testimony for HB 22-12, which would require microfiber-capturing filters on commercial and industrial washing machines and give Ecology limited authority to pursue residential standards if cost impacts are small. Scientists and student advocates urged action while appliance and laundromat groups warned of technical and safety challenges.

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A Washington State Environment & Energy Committee hearing on HB 22-12 focused on requiring microfiber filtration on commercial and industrial washing machines and potential future residential rulemaking.

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