Comprehensive Air Filter: every package includes 1 roll of furnace air filter air conditioning, which is suitable for capturing and removing particles or pollutants in the air, such as dust, hair, etc., keeping your space fresh and bringing you convenient_x000D_ Suitable Size for Various Vent Shapes: with dimensions of approximately 7.6 ft/ 230 cm in length, about 12 inches/ 30.48 cm in width and approximately 1.3 cm in thickness, this washable air filter can be tailored to fit virtually most vent sizes, which is the ideal solution for those seeking to upgrade their air filtration in various spaces with different vent sizes_x000D_ Easy to Cut: these air conditioning filters are easy to cut, making it reliable to fit most sizes, and their DIY friendly nature empowers users to size and install the filter themselves, thereby saving on installation costs, suitable for using on most walls, ceilings, floor vents and more_x000D_ Wide Range of Usages: our air conditioning furnace vent filters are suitable for use in vents of all sizes, and its DIY nature can make them ideal for kinds of vents, grilles, covering floors, windows, air conditioning vents, HVAC vents, RV's and more_x000D_ Quality and Safe Material: the air filter roll air conditioning is crafted from quality polyester, which ensures a strong and efficient filtration process, purifying the air that flows through; In addition, it can be washed repeatedly to provide ideal filtration effects for your home, office, classroom, store, and more._x000D_ _x000D_ size: 30 x 230cm_x000D_ Material: Cotton_x000D_ colour: blue_x000D_ _x000D_ Package Contents:_x000D_ 1 x Air Vent Filter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_