Silver 1lbs Silver Brazing Solder Rods - HVAC - 5 % Silvaloy 28 Sticks Adjustable Return + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 16 5/8" width X 8 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 24" Or 24" x 34" duct opening (measured at the opening)

Can be hooked up with our "Butterfly Dampers" for precise airflow control

+ Product Details Size - 26"w X 6"h is the size for the duct opening measurement only

Silver 1lbs Silver Brazing Solder Rods - HVAC - 5 % Silvaloy 28 Sticks Adjustable Return + Product Details Perfect Fit+ 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: 5% Silver 6% Phosphorus 89% Copper Brazing Temperature: Solidus Temperature: 1190F Liquidus