- 1、Onepleat,maximum.2、Ilikethepleatinthefront.3、HEPAfilterresistancewasrelatedwithfiltrationmedia,pleatdistance,pleatdepth,pleatshapeandairflowtemperature.4、Straightbackyokewithboxpleat.5、Nowwe'regoingtopleatthebackside.6、Whichpleatheightsdoyou...
- 5007