The M-1200 product series is a solidly constructed sliding glass storm door that provides an additional level of protection from the heat, cold, rain and snow. Incorporating a versatile design, and field installed over an existing primary patio door, the M-1200 is an ideal product for both new construction and after market upgrade. The M-1200 system attaches easily to the M-800 and to most sliding patio door systems on the market. Standard Features

• Full perimeter weather stripping
• Removable panels for ease of cleaning
• 2-3/4" frame depth
• Telescoped panel corners & coped frame corners
• Colors – White & Bronze Accommodates 1/8", 1/4" and 3/16" SGL or 5/8" IG