NIOSH-Approved N95/N99 Masks for about $1 Get them now!
These vials are thin-walled to allow more efficient heat transfer. The conical bottoms are designed for optimum sample retrieval and have a 14/10 threaded outer joint. Supplied complete with open-top screw cap (MW-102-33), Teflon faced septa (MW-104-33) and Viton O-ring (MW-100-08). Available in 3.0, 5.0, and 10.0 mL capacities."