HILO Oval Stack Head - 12" X 6" - 6" - Compatible with Duct 6" 16in diameter + Product Details Size &

+ Product Details Size & Compatibilty - The 8" to 4" round metal pipe reducer & increaser 30 gauge is compatible with duct 8" to 4"

3/4” - 2981 PSI

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Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 4" duct openings

but still light and handy

HILO Oval Stack Head - 12" X 6" - 6" - Compatible with Duct 6" 16in diameter + Product Details Size &+ Product Details Size & Compatibility The size of galvanized sheet metal oval stack head with collar is 12" 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