Invoice description: The price of this shop does not include tax points; Invoice additional tax point, details consult customer service!

【 About size 】

Professional production of all kinds of filter HEPA filter, cold catalyst filter and so on

High-grade filter paper manufacturing, advanced HEPA paper folding process, you can tell us what needs, in strict accordance with your requirements, the size is accurate to mm.

[About the time] According to the order of production, please do not worry about the purchase of relatives. Estimated 25 days or so, the specific time cannot be guaranteed, special circumstances or holidays will be delayed delivery. If the screen is already in production and you request a refund, we are unable to refund. Take a picture to agree.

Please contact customer service before purchase