Bulk Pack: Our product includes 12 sets of paint booth filters. Under normal use, replacement is recommended every 2-3 months. One pack can last almost two years, meeting your . Excellent Material: Our airbrush booth filter is made of high-quality fiberglass, soft, not easily deformed, with a longer lifespan to reduce replacement frequency, lower internal cleaning times, and maintenance costs. The appropriate density can and purify particles equal to or larger than PM2.5, ensuring fresher indoor air. Double-layer Design: We utilize a double-layer fiberglass material for the airbrush booth filter, increasing the filtering area for higher adsorption capacity and better filtering effects, making your workspace . Suitable Size: fitting well with booth filter openings. It can also be cut into other required sizes for various purposes. Compatibility: The paint booth filter is for Master// Enterprise/Airhobby and other products; please verify the model before purchase. Our filter cotton also works well for aquarium filtration, fan filtration, and other similar needs.