Applicable size: Our filter cotton is 16 x 7-1/4 x 7/8 inches (wide x high x thick), which is perfectly matched with the room filter.It can also be cut into other sizes to meet various needs. Double -layer design: The double -layer glass fiber material is used to make a filter to increase the filter area, achieve higher adsorption ability and better filtering effect, and make your work space more secure. High -quality materials: Our spraying room filter is made of high -quality glass fiber. It is soft, not easy to deform, and has a longer life. It can reduce the frequency of replacement, reduce internal cleaning time and maintenance costs.Appropriate density can and purify particles with or PM2.5 to that the indoor air is fresh. Compatibility: The spraying room filter is compatible with products such as Master// Enterprise/AirHobby; please confirm the model before buying.Our filter cotton is also suitable for aquarium filtering, fan filtering and other similar needs. Professional: We are experts in the professional cleaning industry.If you are a painter, our products can provide you with more secure air to your physical and mental health while pursuing your hobbies., Manufacturer: Akfldms