Comprehensive Air Filter: Each package includes 1 roll of furnace air filter for air conditioning systems, designed to capture and remove airborne particles such as dust, hair, and other pollutants, helping to maintain fresh indoor air quality. Suitable Size for Vent Shapes: Measuring approximately 7.6 ft (230 cm) in length, 12 inches (30.48 cm) in width, and 1.3 cm in thickness, this washable air filter can be customized to fit most vent sizes, making it a versatile solution for improving air filtration in various spaces. Easy to Cut: These air conditioning filters are easy to cut and install, allowing for a secure fit in most vent types. Their DIY design enables users to adjust and install the filter without professional assistance, suitable for use on wall, ceiling, and floor vents. Wide Range of Usages: Ideal for use in various vent types, including air conditioning vents, HVAC systems, floor grilles, and more. The customizable design makes it suitable for homes, offices, classrooms, and other indoor environments. Quality and Safe Material: Made from durable polyester material, this air filter roll provides efficient filtration and can be washed and reused to maintain optimal performance over time. Product Specifications: Size: 30 x 230 cm Material: Polyester Color: Blue Package Contents: 1 x Air Vent Filter Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement allowance is +/- 1-3 cm.