... Compliant, 3.UL certified 4.Reusable,Replaceable Flame Retardant air filters are the ideal solution to meet ... applications: SizeCustomizedFrameStamping aluminum alloy or according to client's requestMedium colorBlack, gray, green, yellowMedium porosity25- ... 18001:2007FinishingBlack oxide coating or follow customer's demandApplicationIndustrial,medical,telecom,electronics,networking,communications,HAVC ...