Synergy could provide good quality disposable protective masks, 3 layers.

Disposable 3-Ply Non-Woven Face Mask with Ear Loop
layer non-woven + melt-blown fabric (density: 90%)+ layer non-woven
50pcs/box, 2000pcs/ctn
 

Advantange:

Face mask with high bacteria filtration and extream low breath resistance, comfortable for user. Suitable for normal surgery/procedure in clinic.

The face mask is latex free and use brand new hypoallergenic material, odourless and lint free.