Oval Stack Head - 12" X 6" X 7" is Compatible with Duct 7" Material_Copper + Product Details Size -

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 24"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 30 5/8" width X 38 5/8" height

actual front end outer dimensions are approximately 26 5/8" width X 8 5/8" height -

Oval Stack Head - 12" X 6" X 7" is Compatible with Duct 7" Material_Copper + Product Details Size -+ Product Details Size & Compatibility The galvanized sheet metal oval stack head is compatible with Duct 7" Superior Quality Made in the USA. Our product is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection Applications The oval stack head with ears and throat are used to right angle transition from oval pipe to sidewall grille or register Design This Long throat oval stack head is