3M Bayonet Mask to Hose Adapter 3D printable model by Bbtapb

3M Bayonet Mask to Hose Adapter

Source: Thingiverse by Bbtapb

The 3M Bayonet Mask to Hose Adapter is a free printable 3D model from Thingiverse by Bbtapb. Adapter to a 3/4" ID hose to convert a cartridge respirator to fresh air. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-06-16

Tags: 3M, Bayonet, Mask, to, Hose, Adapter

About this model

Adapter to a 3/4" ID hose to convert a cartridge respirator to fresh air. Hose: McMaster 5475K41 There's a belt clip with a print support in there for this hose. Mask: 3M 6800 series and others, including 1/3-price knockoffs. Remove the inner mouth piece. It just pulls off and is there to keep the mask from fogging up but when supplied with fresh air, it's not needed. Blower: I used a 12v Coleman "Quickpump" (the red one) air bed pump running at 7v from a DC supply. The adapter parts are here. For additional ducting, I used 1.25" drain hose, which is like $5 for 20 feet at a home improvement store.

Frequently asked questions

Is this 3D model free to download?
Yes. 3M Bayonet Mask to Hose Adapter is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Bbtapb.
Who made this model?
Designed by Bbtapb, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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