Round to Oval Straight Boot - 5" Straight Transitioning Duct Boot is Compatible with Duct 5" Ductwork And is classified as Class

And is classified as Class 1 Fire Proof - B1

please note that the total outer dimensions of the grille measure 16" in diameter

Heavy-Duty Construction: Powder-coated finish prevents rust

these grilles offer both functionality and aesthetic appeal

Round to Oval Straight Boot - 5" Straight Transitioning Duct Boot is Compatible with Duct 5" Ductwork And is classified as Class+ Product Details Size & Compatibility The 5" galvanized sheet metal straight transitioning duct boot is compatible with duct 5" Superior Quality Made in the USA. our Galvanized Duct Boot is made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection Applications This oval straight boot provides a straight transition from a round pipe or insulated flex duct to the oval pipe. The oval side is