Package quantity: The quantity provided can meet your various needs. Compatible with: This replacement filter is compatible with spray booth models B400DC and B420DCK, suitable for paint booth cross draft and down draft exhaust systems. Please verify your model before purchasing. Easy to clean and store: This spray booth filter pad is easy to clean. After use, you can clean and store it for future use, allowing for extended use and reducing the need for frequent replacements. Practical tool: This paint spray booth filter can be used in your airbrush booth to help capture overspray and paint particulates, improving air quality and maintaining a safer, more breathable environment. Material: Fiber cotton Color: Blue Package Contents: 3 x Airbrush Spray Booth Filter Note: Only the items listed above are included; other products are not part of this package. Note: Lighting reflections and differences in display screens may cause slight variations in the color of the item as shown in the picture compared to the actual product. Measurement may vary by up to 1-3 cm.