Oval Stack Head - 10" X 6" - 7" - Compatible with Duct 7" Compatible with Duct 6" + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 6" OR 6" X 16" duct opening (measured at the opening)

+ Product Details Size – 34"w X 16"h is the size for the duct opening measurement only

these louvers are built to last

+ Product Details Size - 16"w X 26"h X 2"d (for duct opening measurement only)

Oval Stack Head - 10" X 6" - 7" - Compatible with Duct 7" Compatible with Duct 6" + Product Details Perfect Fit+ Product Details Size & Compatibility The size of galvanized sheet metal oval stack head with collar is 10" X 6" 7" and it 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