Replacement clear glass for the LPL Universal 6x7 Glass Masking Carrier, as used in LPL 7700, 6700, and 6600 enlargers, and Omega/LPL and Saunders/LPL 670XL, 6700 and 6600 enlargers. This single piece glass can be used as bottom or top glass, 2 would be required for full replacement. Optional anti-Newton top glass is also available.