Larger building purchased in Franklin Park, Illinois By Pepper Group Posted December 30, 2021 In 1 0 Larger building purchased in Franklin Park, Illinois—facilities expand to 13,500 sq. ft. Recent PostsThirteen Years of PreVent Air Filtration Excellence: A Science Lab Success StoryCustom Air Filter Insights: A Conversation with Plant Operations Manager Roy MontemayorEZ In, EZ Out: Why Installing and Removing Air Filter Screens from Hard-to-Reach Areas is EasyMetal Mesh vs. PreVent Prefilter: Which Works Better with Cottonwood Seedlings?