Duct vent filter cover

摘要

A duct filter bag used in connection with a heating and air conditioning vent, the duct filter bag including a filter body constructed of a material that is air permeable yet catches particles exiting the vent, the filter body having a perimeter; an attachment assembly connected to the filter body; where the filter body is extendable outward relative to the attachment assembly to define a filter volume; the attachment assembly being adapted to attach the filter body such that the filter volume is in registry with the vent.

主权项

1. A duct filter bag used in connection with a heating and air conditioning vent, the duct filter bag comprising:
a flexible filter body constructed of an air permeable material that catches particles exiting the vent, the flexible filter body having a filter volume, the flexible filter body configured to deform to increase the filter volume based on caught particles, the flexible filter body disposed outside the vent toward a room in fluid communication with the vent; an attachment assembly connected to the filter body, wherein the flexible filter body extends outward from the vent relative to the attachment assembly to define the filter volume, the attachment assembly being adapted to directly attach the flexible filter body to a vent cover or wall parallel to the vent cover such that the filter volume is in registry with the vent.