7" Diameter - 90° Degree Adjustable Elbow - 4 PACK Wall Angle Floor Boot actual front end outer dimensions

actual front end outer dimensions are approximately 9

+ Product Details Size - 12"w X 18"h is the size for the duct opening measurement only

PRACTICAL DESIGN - The oval side out ceiling box is the best way to regulate airflow to install a manual volume damper in the duct run

and versatile for any project

7" Diameter - 90° Degree Adjustable Elbow - 4 PACK Wall Angle Floor Boot actual front end outer dimensions+ Product Details Size 7" round duct sheet metal elbow 30 gauge galvanized crimped end connection adjustable from 5 90 Premium Quality Made of galvanized metal to prevent corrosion, oxidation & rust from water & moisture that lasts longer requiring less maintenance Save money with this energy efficient material, maximizes airrflow and reduces fire hazards. Applications 30 Gauge thick & made of thick & durable galvanized sheet metal used for HVAC