2 Pack - 7" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection Supply Grille + Product Details Size -

+ Product Details Size - 12"w X 6"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 24"h X 2"d (for duct opening measurement only)

By means of the smooth surface

Airflow Control – Adjustable airflow lever allows precise control over the direction and volume of air

Actual Filter Size – 27 3/4"w x 9 3/4" x 1"

2 Pack - 7" Diameter 90 Degree Adjustable Elbow - 30 Gauge Galvanized - Crimped End Connection Supply Grille + Product Details Size -+ 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