3. Our Air filter is made of the finest foam, with excellent filtering effect, standard specifications and dimensions, and convenient installation. It is not only suitable for professional installers, but also for ordinary people. No modifications or changes required, You just need to open the lid of the machine and replace it
4. The packaging is tight, and you will receive a brand new air filter. If you have any problems that I need to solve, you can send us an email immediately. Our shelf life is 6 months, and you can use this air filter with peace of mind