3M Asbestos Full Face Respirator Kit +2x 6035 Filters P2 P3 Gas Fumes Paint 6000 | eBay
Asbestos protection idea with bad gas masks, similar to inserting a P3 level respirator pad piece in the inhale valve maybe you can just put on a P3 level foam half face
Amazon.co.uk: Asbestos Mask
3M 3m Scott Pf10 Pro2000 P3 Mask Filter - Thermac RPE from Thermac Limited UK
P3 Asbestos Mask (1) Cat No RP08 | Accessories
HSM - Asbestos respiratory face mask
Correct Disposing of Asbestos Requires FFP3 Face Mask Protection - KD Asbestos
3M Asbestos/Dust Full Face Respirator Starter Kit 6835 (6000 Series) (P3) | Boost Safety & Workwear