Bulk carbon sheet?

[Salty Cracker]

I used to get large carbon sheets from someone, but can't seem to locate them, figured easy enough to ask?

Carbon sheet is good for Radon absorption if used with air filters, and in addition to wildfire smoke, we're lit up like a christmas tree with radon out here. So during summer we open the windows and get billions of parts per million of woodsmoke particles, and with the windows shut, we get ~8 pCi/L of radon.

big air filters with carbon can help both issues, so I'm looking for a healthy supply. Anyone have any ideas?

 

[cica]

I bought some on Amazon last year. I can't copy the link but you can find it on amazon if you search for:

I clean for Honeywell Filter A HRF-AP1 Air Purifiers,2 Pack Carbon Air Purifier Pre-Filter Compatible with Part # 38002, HPA100,200,300 Series Consoles Air Purifiers

Hope it helps.
Good luck with all the fires around you. All the best!