Expedient Powered Air Purifying Respirator
thingiverse
An innovative portable air purification respirator, driven by an expedient power source. Efficient filtration is achieved with a DCF-4 vacuum cleaner filter, specifically chosen for its circular design and convenient O-ring seal. All components are designed to be easily 3D printed without support. BOM: 1 x SparkFun blower 1 x DCF-4 vacuum HEPA filter 3 x 8-32 2" screws 1 x IKEA ordning 7 1/8" 1 x tubing, approximately 22 mm in diameter and intended for respiratory equipment use 1 x lithium-ion car starter/power bank with a 12-volt output 1 x female DC barrel jack, 2.1x5.5 mm 1 x snorkel mask with a circular tube outlet; an alternative expedient option is a plastic bag of suitable clarity Sealant, such as hot glue or medical-grade silicone sealant, for secure connections 1 x backpack Please note that this device may not provide adequate protection against COVID-19. Use at your own risk. Additional details to follow.
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