XFasten Magnetic Vent Cover 5.5 inch x 12 inch (5-Pack) Register Covers for Ceiling, Floor & Sidewall Vents, Strong Air Vent Blocker for RV & Home HVAC Systems

Heavy-Duty Magnetic Grip Strong magnetic backing holds firmly to metal vents — even on ceilings or hard-to-reach spots. Won’t fall off easily, and surface can be painted to match your décor.. Blocks Drafts & Saves Energy Effectively seals air vents to eliminate cold drafts and reduce energy costs. Built to provide secure magnetic locking for up to 25 years on all-metal HVAC vents.. Industrial-Grade Magnets Features powerful, proprietary ferrous magnet structure that resists high airflow. Ideal for ceiling, sidewall, and floor vents in both homes and RVs.. Flexible & Customizable Fit Polymer-bonded magnet crystals allow the cover to flex and contour to curves and gaps, ensuring no energy escapes. Easily cut to size and paintable for seamless integration.. Standard Size & Compatibility Includes five 5.5” x 12” covers — the standard for most U.S. vents. Designed for use on steel metal vents only (not compatible with aluminum, plastic, faux metal, or wood).