Vent Booster Fan Adapter - Fits AC Infinity/Suncourt into Non-Standard Vents (4x14, 6x14, and more)

Traditional Home Vent Booster Adapters CONVERT OVERSIZED OR LEGACY VENTS IN SECONDS Does your master bedroom or living room have oversized vents that don't fit standard smart fans? Our **Residential Adapter Kits** are designed specifically for traditional homes with large floor or wall registers (4x14, 6x14, and more). Why You Need This Adapter: Stop Air Leaks: Prevents "ghost airflow" that escapes around the edges of a too-small booster fan. Professional Aesthetic: Covers unsightly gaps and old paint lines left by larger legacy registers. Heat-Ready Design: Precision-printed in high-temp PETG to withstand standard residential furnace cycles up to 176°F. MOST POPULAR HOME CONVERSIONS Your Duct Opening Booster Fan Size 4" x 14" (Common in Master Suites) Adapts to 4" x 10", 4" x 12" Fans 6" x 14" (Kitchens/Great Rooms) Adapts to 6" x 10" or 6" x 12" Fans 8" x 8" (Ceiling Vents) Coming Soon 10" x 10" (Ceiling Vents) Adapts to 4" x 10", 6" x 10" Fans Tech Specs: Reinforce for standard residential foot traffic (Floor Models). | **Compatible Brands:** AC Infinity, Suncourt, VEVOR, and more. | **Installation:** Drop-in fit with optional screw mounting.