Soviet R-2 respirator. This particular model saw use from the Chernobyl Liquidators : r/gasmasks
What are Air-Purifying Respirators?
Stealth P3 Personal Safety Respirator - (HEPAC)
Dräger X-plore 5500 Full Face Mask Respirator + 2x Reusable P3 R dust filters Set for Construction, Woodworking, DIY and Work - Complies with CE EN136 + EN143 : Amazon.co.uk: DIY & Tools
Trend Air Stealth P3R Half Mask Respirator Med/Large | Toolstation
GVS Elipse A1P3 (R) Respirator
GVS Elipse P3 (R) Nuisance Odour Respirator
Stealth P3 Dust Respirator Face Mask — Stealth Mask
Simply buy 3M™ Reusable Full Face Mask Respirator Kit, A2P3 R Filters, Large Mask, 50649 | Hoffmann Group
Moldex 9432 - ABEK1 P3 R Full Face Size M Series 9000 Mask
Dräger X-plore 5500 Full Face Mask Respirator + 2x Reusable P3 R dust filters Set for Construction, Woodworking, DIY and Work - Complies with CE EN136 + EN143 : Amazon.co.uk: DIY & Tools
Scott Protector R1 Half Mask Respirator A2P3 R Filter Work Weld Gas Spray Paint | eBay
Stanley P3 R Half Mask Respirator L/XL STMF011022 – C.J. Sinclair
Stealth P3 Personal Safety Respirator - (HEPAC)
3M Reusable Half Mask Kit A2P3 R Filter Large 7523L