ES-H340 is a 3 3/8″ high impact, thermal break, single hung window system designed to meet the most stringent architectural standards.

The ES-H340 is installed in residential and commercial applications.

Maximum size: O / X equal: 54 ”wide x 78” high, O / X equal with ½ shims: 43 ”wide x 96” high, O / X unequal: 39 ”wide x 81” high.