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Research on DIY Air Cleaners to Reduce Wildfire Smoke Indoors On this page: Study Overview EPA Particle Removal Findings DIY Air Cleaner to Reduce Wildfire Smoke Indoors Infographics Underwriters Laboratories Safety Findings Frequently Asked Questions Related Resources Read the Science Matters Newsletter story - Do-It-Yourself Air Cleaners: Making Cleaner Air More Accessible Key Messages Do-It-Yourself (DIY) air cleaners, made with a box fan and MERV 13 air filter, are a cost-effective method for reducing smoke concentrations

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This is poorly understood by nearly every group including health professionals

Capri also offers a 120mm "luxury length" version