This Installation Kit for In-line Fans & ERVs features 2 wall/ceiling mount grilles for a 4" Double Inlet duct with 6"-to-4" Y adapter and 4" backdraft damper, for supply/exhaust ducting. Works with IntelliBalance ERVs and attaches to existing duct work.
Double Inlet Exhaust Fan Grille Kit: This kit features 2 wall/ceiling mount grilles for a 4" Double Inlet duct with 6"-to-4" Y adapter and 4" backdraft damper, for supply/exhaust ducting
Versatile Look: Lightweight snap-on grille cover is styled to blend in with your room decor for a natural, unobtrusive look; Made from ABS material and slotted with a beveled edge and white finish
Quick, Easy Installation: Includes all screws and hardware required to easily mount
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