Polyester filter medium G3, G4

non-wovenairspray booth

Non-woven medias made for air prefiltration in industrial spray booths or ventilations.Construction : 100% non-woven polyester fibers Application : This type of filter is generally used for the pre-filtering of ventilation systems to protect the stages of filter bags or rigid filters. Filtration classification according to European standard EN 779 : G3 or G4 depending on filter. Information Standard dimensions : - 2m x 20m - 1m x 20m Other dimensions and cuts on demand. Applications : This type of filter is generally used for the pre-filtering of ventilation systems to protect the stages of filter bags or rigid filters. Filtration classification according to European standard EN 779 : G3 or G4 depending on filter. Caracteristics Retention capacity : : G3:375 G4:400g/m² Filtration efficiency : : G3:87,50% G4:90,60% Air flow rates : : 1,5m/s Initial pressure drop : : G3:35Pa G4:41Pa