Updated DIY Dental PAPR parts list and prices as of today

Zimi 95S headstrap $14/10
Moldex P100 $12.69/2 filters
Compressed Air Duster $59.99
Nose snorkel mask $20.99 ppeo.com/goods/zimi-air…
amzn.to/3WDjIWm
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Assembled Dental PAPR
Exhale valves $9.49/24
Gorilla airtight tape $19.96/2 rolls
Gorilla dual temp hot glue $17.99/glue gun & sticks

Warning do not use these exhale valves for any other application unless you can do a fit test amzn.to/3Kchu8I
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PortaCount fit testing 161 fit factor
You can substitute the first three items with the AirBoss FlexAir PAPR $100 currently

And two of these P100 filters ebay.com/itm/2045750617…
ebay.com/itm/1345936775…
AirBoss Defense PAPR
First remove the accessory tips from the air duster, and the top of the snorkel from the nose mask Gorilla tape, air duster, exhale valve & nose mask
Carefully cut a hole in the bottom of the nose mask to install the exhale valve that relieves excess pressure for comfort, the raised circle is exactly the right size so that’s your cut line Exhale valve installed
Apply a ring of hot glue to the end of the air duster and push the Moldex filter against it, wait for the glue to dry then apply a bead of glue all around the joint, you can apply hot glue to the seams of the duster if desired but I didn’t notice any significant difference after Moldex P100 filter glued to the end of the air duster and hot glue all over the seams
Apply two long strips of the Gorilla tape from the air duster body to the snorkel on the top and bottom, then wrap the joint several times to seal Taping the air duster to the nose mask
Remove the plastic frame from a Zimi 95S and cover the Moldex P100 95S over Moldex P100
Charge the battery and it’s ready to use, speed 1 is plenty fast and will give 45-60 minutes run time Dental PAPR in use
Practice nose breathing with your mouth open before you go to the dentist
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Using a Dental PAPR or other nose mask option at the dentist doesn’t guarantee safety from infection, but it does lower your risk

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More from @ParentMishmash

Jan 6
In 2025 lets normalize shaping nose wires well before donning a mask, I’m positive this will improve protection, getting the best performance out of your PPE is important because we know prevention is key

Do the final adjustments after putting it on, but this is important first Showing how to shape a nose wire before putting a mask on
Here’s my results for the Kid95, bifold headstrap mask with a chin staple, 9.2 N99 mode Fit Factor with a pointy nose wire and 122 N99 mode Fit Factor with a properly shaped nose wire N99 mode Fit Factor 9.2
N99 mode Fit Factor 122
And here’s my results with a bifold KN95 ear loop, even with the nose wire shaped well, I still failed, but the mask is much more protective, N99 mode Fit Factor 1.1 for the pointy nose wire and N99 mode Fit Factor 6.6 with the nose wire shaped, just 2 minutes quick test to show N99 mode Fit Factor 1.1
N99 mode Fit Factor 6.6
Read 6 tweets
Oct 7, 2024
Graph by @MariaMGillespie of vaccine antibody levels after a single booster, Day 0 plot was taken from the table of baseline characteristics of the study participants, whereas the other three data points are taken from the study results summary itself
journalofinfection.com/article/S0163-…Spike antibody concentration (u/ml)  2.5 × 10^4 2 × 10^4 1.5 ×10 ^4 10 ^4 0.5x10 ^4  Days from vaccination  1 7 + 28 + 84  — Pfizer bivalent - Moderna bivalent — Novavax
This study adds to previous research on the difference in the immune response to different vaccine types
Read 7 tweets
Aug 16, 2024
DIY pandemic, surgery in the lowest COVID risk possible way, with a $100 PAPR

The OR was mostly surgical masks, not N95s, but my PAPR never came off which’s only an option if it’s a surgery that can be performed without intubation, I had to fight for that
ebay.com/itm/2045750617…
The discontinued Honeywell PAPR I have
The Honeywell PAPR shown in the previous tweet is now discontinued, but the AirBoss PAPR new in box is still available at the link for $100, just don’t buy it if you live above 4,000ft and you definitely can’t use it on a plane
Read 4 tweets
Jul 8, 2024
Ok, help me out here, what are the ways to describe a person who says they will do something, but then doesn’t and upon follow up now refuses to do what that said? Multiple people have tried to intervene with no success so all that’s left is twitter public opinion court Do not send @FitTestMyPlanet any data unless you A. Are ok with personal details being shared publicly, including email & DM contents B. Don't care if he changes what he's doing with your data C. Are ok with your data being used in misleading ways D. Want him to keep it forever Test ThePlanet parentmishmash 06/12/2024 10:54 PM Please remove all of my data entries from your spreadsheet. I wish to withdraw from your survey. TestThePlanet 06/12/2024 11:19 PM [privacy blackout] parentmishmash 06/12/2024 11:20 PM Thanks ALT
Al all volunteer community project requires trust and communication to function, notwithstanding the muddled privacy policy with @FitTestMyPlanet ‘s project, he said he would delete my data almost 4 weeks ago, as he has done for others who left his project, but now he will not
@FitTestMyPlanet I was previously one of the top 10 contributors to FTtP’s project, because I think public information sharing is important in this DIY pandemic, but I strongly object to my data being used in misleading ways to disparage good masks like Q100, BreatheTeq, Zimi, etc A graph of the 110 contributors to FTtP’s project by contribution count
Read 11 tweets
Jun 29, 2024
Here’s my thread of top tips to get the best protection from your mask

First, if you have facial hair, shave every day, the part of your face where the mask seal sits needs to be clean shaven

If you aren’t willing or able to do that see the end of this thread for otherideas
For masks with nose wires, form the wire to the shape of your nose bridge, no sharp creases A bifold mask with a sharp crease in the nose wire
Fix chin gaps due to mask shape or smaller face size by adding a chin pleat, using your fingers to pinch the mask together test if a straight or angled pleat will make the mask match your face shape better Straight pleat left, angled pleat right
Read 9 tweets
Jun 17, 2024
Building a DIY dental PAPR for the @covidsafeco loaner library A nose snorkel mask and an exhale valve
I’m attempting this build with a cheaper air blower, if it passes on the PortaCount I’ll share the model, making this affordable to more people, if not I’ll return it and buy the one I know works and rebuild Nose snorkel mask, vent, air blower with filter and tools
This blower adds a step to the building process though, you have to cut the snorkel to angle the blower handle away Snorkel cut
Read 9 tweets

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