Dirt Devil F2 HEPA filter to 40mm nato adapter for masks and diy papr
Description
This is for testing purposes only. Use at your own risk. Please also look at my redesigned adapter: https://www.thingiverse.com/thing:4493259 Adapter so you can use a Dirt Devil F2 HEPA filter on a mask or papr system with 40mm NATO/RD40 fittings. I have a PAPR blower and I noticed that the airflow is reduced when using dual P100 pancake filters, less so with a 40mm particulate canister filter. This vacuum cleaner HEPA filter seems to have better airflow than either setup so I wanted to try it out. Used material I had on hand to make a gasket for the connection. It is tight so it needs to be thin. I also wrapped the connection with silicone tape just to make sure that it will be air tight. I have poor 3D skills, so this was hacked together, but it works!
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