1lbs Silver Brazing Rods 6% Silvaloy 28 Sticks Sheet Metal/Adjustable Elbow the actual front end outer

the actual front end outer dimensions are 8" in diameter

all the way around the square portion which can be used for attachment or folded over

Our galvanized duct end boot is made of high-quality galvanized sheet metal with crimped ends (snap-lock design) for easy fitting and secure connection

12"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size - 24"w X 12"h X 2"d (for duct opening measurement only)

1lbs Silver Brazing Rods 6% Silvaloy 28 Sticks Sheet Metal/Adjustable Elbow the actual front end outer+ Product Details Includes 28 Rods Superior quality silver solder brazing metal rods used to join dissimilar metals for various commercial and residential applications such as refrigeration, HVAC, electronics, etc. Best alloy to fill gaps when close fit ups cannot be made highest joint ductility and strength in HVAC R applications. Chemical Composition: 6% Silver 5% Phosphorus 80% Copper Brazing Temperature: Solidus Temperature: 1190F Liquidus