3M 60921 P100 Organic Vapor Cartridge — Combination, Bayonet, Magenta/Black Yellow-203 As a BRK 9120B interconnect

As a BRK 9120B interconnect smoke alarm

you press the top of the can and direct a wide aerosol spray at the base of the flame

Amazon pricing moves frequently

The LED indicator flashes to show alarm

3M 60921 P100 Organic Vapor Cartridge — Combination, Bayonet, Magenta/Black Yellow-203 As a BRK 9120B interconnectThe 3M 60921 P100 Organic Vapor Cartridge combines certain organic vapour protection with a P100 filter at 99. 97% against oil and non oil aerosols, in the magenta black NIOSH color code, for 6000, 7000 and FF 400 Series bayonet facepieces under approval 7000029639. Our 3M 60921 review covers it against the range. The thing worth understanding about any combination cartridge: two halves wear out independently, and you cannot replace one without the