Description: 👍This HEPA/Activated Carbon Filter is designed for use in the AlorAir PureAiro HEPA Pro/Max Air Scrubber. 👍Now, with the HEPA/Activated Carbon Filter, the AlorAir PureAiro HEPA Pro/Max Air Scrubber can play an even more important role in keeping an enclosed environment clean and secure – both for workers and for occupants. 👍When using the air scrubber for remediation purposes, replace both filters at the same time and always clean the machine in between jobs. This will help avoid cross-contamination. 👍No modification of the AlorAir PureAiro HEPA Pro/Max Air Scrubber is required-users simply place the new carbon filter and then re-secure the cover. If the indicator light is on, always change the Activated Carbon Filter. 👍The HEPA/Activated Carbon Filter measure 14.3×13.6×1.97 in.