1lbs Silver Brazing Rods 6% Silvaloy 28 Sticks Fixed Blades with Damper Applications – 30 Gauge thick 4 X 12 Is CRFG2028 Width_14in

Applications – 30 Gauge thick & made of thick & durable galvanized sheet metal - used for HVAC system duct work in any building or home including: round exhaust air duct systems for dryers

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 20" OR 20" x 30" duct opening (measured at the opening)

Actual Filter Size – 13 3/4"w x 23 3/4" x 1"

+ Product Details Size - 34"w X 8"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of sheet metal pipe is 6" round x 24" long

1lbs Silver Brazing Rods 6% Silvaloy 28 Sticks Fixed Blades with Damper Applications – 30 Gauge thick 4 X 12 Is CRFG2028 Width_14in Applications – 30 Gauge thick & made of thick & durable galvanized sheet metal used for HVAC system duct work in any building or home including: round exhaust air duct systems for dryers + Product Details Perfect Fit & Easy Sizing Designed for a 30" x 20" OR 20" x 30" duct opening (measured at the opening)