Filter box with air filter hepa 320x320mm High-efficiency particulate air filter
Galvanized  zinc metal frame Features:
HEPA Grad air filter, clean most dust and dirts upto 99.9% air fresh 
 
All Gavl zinc metal frame design, with solid structure, stronge hooding. 
 
Extra inlet or outlet adptor can be installed suit your ducting size.
Thickness :220mm upto
Fan duty <160pa 500m3/h 
Efficiency 99.99% H13 Applications High-efficiency particulate air or HEPA[1][2] is a type of air filter. Filters meeting the HEPA standard have many applications, including use in medical facilities, automobiles, aircraft, and homes. 
Got for use in Large Laminar Flow Hood  Pleated H13 for Mushroom Hepa Flow Laminar FFU 0.3 Micron 99.99% Clean Room
Model F320-HEPA-220 Size 320X320MMX220MM
INLET AND OUT Metal adapter 250, 200 or 150mm
Please put in notes which size you would like when ordering. Hi