Parabolic Mirror Od 12″

Mirror Type Disk, Parabola Form Polished 1/S, Ground 1/S Material Glass, Pyrex. Coating Al , Sio Mount No. Dimensions: Od 12″ Can/A Thk 2.0″ Radius 480″ Focal length about 20 feet. This mirror came from a working environment and has a large chip on the uncoated edge. It also has surface smudges and wearing in spots ***MPN ***OEM Brand Unmarked ***SKU*** GLS215