ODM HEPA Filter Feature and Advantage 鈼?100% factory inspection 鈼?Washable(Limited) 鈼?Large dust holding capacity 鈼?Long lifespan of media 鈼?Not easily deformed and damaged, suitable for poor working conditions 鈼?Reused of frame Specification Plastic and rubber frame+glassfiber+cotton Efficiency: customized Optional thickness: customized Max Temperature: 50鈩?br/Max Humidity: 100% H13 (EN1822)- customized Application Household, pollen, mites, etc.ODM HEPA Filter website:http://www.puroteches.com/hepa-filter/