Double Oval Stack Head 6" Duct Fitting | Galvanized Sheet Metal Oval Stack Head | 10" X 6" - 6" HI-LO Oval STHD is Compatible with Duct 6" Sheet Metal/Adjustable Elbow + Product Details Size -

+ Product Details Size - 10"w X 12"h X 2"d (for duct opening measurement only)

Actual Filter Size – 24 3/4"w x 24 3/4" x 1"

Actual Filter Size – 7 3/4"w x 31 3/4" x 1"

Motor Shaft is made of High Quality Flame Retardant Metal that does not corrode

With a 18-inch size

Double Oval Stack Head 6" Duct Fitting | Galvanized Sheet Metal Oval Stack Head | 10" X 6" - 6" HI-LO Oval STHD is Compatible with Duct 6" Sheet Metal/Adjustable Elbow + Product Details Size -+ Product Details Size & Compatibility The size of galvanized sheet metal oval stack head with collar is 10" X 6" 6" and it is compatible with Duct 6" 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