Product Placement Blog ➞ 3M3M Scott Air-Pak SCBA open-circuit self-contained breathing apparatus in Chicago Fire S09E09 “Double Red” (2021)March 18, 2021 Sergey TV Show Hi! On Thursday, March 18, I analyzed a TV Show and product placement was spotted: 3M Scott Air-Pak SCBA open-circuit self-contained breathing apparatus in Chicago Fire S09E09 “Double Red” (2021).Here are 4 image(s) below: