Features: Upgrade your homes 's air quality with these magnetic vent covers featuring 30% strong magnetic strips and double layer meshing that effectively traps dust, pet hair, and debris while protecting HVAC systems from particle buildup. Built with compactness PVC frames resistant to bending/cracking and fade proof coating, these strong covers maintain structural integrity through repeated cleaning cycles without tearing like standard fiberglass filters. Ideal for homeowners with pets, allergy sufferers, or anyone seeking cleaner indoor air through stable vent defense in residential or light commercial spaces. Securely attach these general 5.5"x12" covers to metal floor registers, wall vents, or ceiling ducts across living rooms, bedrooms, or office spaces for year round HVAC maintenance. The tool easy magnetic design allows effortless installation and removal for quick vacuuming or rinsing under tap water, ensuring reusable performances that saves time on vent maintenance for decades. Specifications: Component : PVC Size: S: 5.5x12 inches (140x305mm) M: 6x14 inches (153x350mm) Package Includes: 6xMagnetic Vent Covers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.