Vacuum Part Type : Filters Origin : Mainland China Type : Vacuum Cleaner Parts Brand Name : ECOVACS Note: The edition ordered after November 2022 supports the automatic water substitute module, please consult the client service before procuring whether or not the machine helps the automated water delivery function!!! Attention: The manufacturing date is displayed at the again of the dust sequence center. If the mannequin produced after November 2022 is applicable, while you're unsure if it's suitable, please touch our seller. Thank you!