Physical Dimensions: Overall: 76 3/8 x 34 7/8 x 1 1/2 in. (194 x 88.6 x 3.8 cm)
Overall (installation opening): 75 1/2 x 34 1/4 in. (191.8 x 87 cm)
47a: 25 11/16 x 34 15/16 in. (65.2 x 88.7 cm)
47b: 24 3/8 x 34 7/8 in. (61.9 x 88.6 cm)
47c: 26 5/16 x 34 11/16 in. (66.8 x 88.1 cm)