ZnSe CO2 focusing mirror We 1 a kind of 3 kinds of quality:
1: ZnSe(PVD), adapt to small power below 80 watts.
2:ZnSe(CVD).
3:ZnSe(II-VI).
They are sorted by quality and price:
1:ZnSe(PVD):2;ZnSe(CVD)<3:ZnSe(II-VI).
* The one you are looking at is 2: ZnSe(CVD), 
* If you need 2:ZnSe(CVD). Or 3:ZnSe(II-VI). Quality, please check the other two models in our store.
* Or consult customer service.
* There is a 8% discount on the purchase of 2 focusing mirrors.
* Need a reflector to view other items in the store.