OCZ-1112-95 - ZnSe Partial Reflector  27.9mm DIA X 3.05mm THK For Co2 Laser System

27.9mm Diameter

3.05mm Thickness 

Side 1: PO/95%

Side 2: PO/AR

Coated @ 10.6um

Arrow on edge points to Side 1

Reference Part Number: 642025-4 - Replacement Part