This genuine glass, specifically designed for Englander's 13-NC, 13-NCI, 13-NCMH, 25-PAH, 50-SNC13, 50-SNC13L, 50-TNC13, 50-TNC13L, 55-SHPAH, 55-TRPAH wood stoves, measures 9 1/4" x 16 1/2". Ideal for repairing your heating appliance, it will ensure a perfect fit and optimum performance.