SPECIFICATIONS DOWNSPOUT #CPSRD3B 3 in. ROUND DOWNSPOUT STRAP • 26 GAUGE BONDERIZED STEEL 1 in. 2.54 cm 3 in. Diameter 7.62 cm Diámetro 5 7⁄8 in. 14.9 cm 3 1⁄8 in. 7.