Aranet4 Case and finally can offer a

and finally can offer a few to y'all :) This has been instrumental in making sure I take my co2 monitor everywhere for those sweet sweet datas

but a friend has a rainbow one that is looking mighty sharp still after a few years

It may rub off some over time

I have been using this same style case for 3 years now

Fits the "default co2 aranet recommended in covid cautious spaces" aka this one

Aranet4 Case and finally can offer aI have been using this same style case for 3 years now, and finally can offer a few to y'all :) This has been instrumental in making sure I take my co2 monitor everywhere for those sweet sweet datas. Works great clipped to a belt loop, or a bag. Comes with my preferred NiteIze carabiner that makes sure you can clip and unclip the case without any risk of it falling off the carabiner. Nice! Case is 3D printed white TPU (a flexible plastic). Sharpie