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(6.8 m) Recommended standard fittings 3-1/4" x 10" (8.3 cm x 25.4 cm) to 6" (15.2 cm) = 4.5 ft. (1.4 m) 6" (15.2 cm) to 3-1/4" x 10" (8.3 cm x 25.4 cm) = 1 ft. (0.3 m) 3-1/4" x 10" (8.3 cm x 25.4 cm) to 6" (15.2 cm) 90° elbow = 5 ft. (1.5 m) 6" (15.2 cm) to 3-1/4" x 10" (8.3 cm x 25.4 cm) 90° elbow = 5 ft. (1.5 m) 90° elbow = 5 ft. (1.5 m) 45° elbow = 2.3 ft. (0.8 m) 6" wall cap = 0 ft. (0 m) WARNING Installation steps Excessive Weight Hazard Use two or more people to move and install downdraft