From - DaTong Tech

Distributor

3M Tape : 

Reusable—just replace cartridges/filters when used to capacity. Head harness assembly and spare parts available. Use with 3M™ Filters 2000 Series, 3M™ Filter 7093, P100, 3M™ Cartridges 6000 Series, or 3M™ Dual Airline Systems against a variety of gases, vapors, and particulate hazards according to NIOSH approvals.

3M Respirator 6000 Series:

#6200, MEDIUM, --- Price: 

#6100, Small;

#6300, Large;

3M Half Facepiece Respirator 3200 

#3001 organic vapor filter cartridges

#3701 Dust Filter Pad