FAS-420-TM Aspiration smoke detector series LSN improved
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_1270167435.jpg)
FAS-420-TM Aspiration smoke detector series LSN improved
Aspiration smoke detector
Commercial Type No. FAS-420-TM
Product No. F.01U.078.495
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_1270363147.jpg)
FAS-420-TM Aspiration smoke detector series LSN improved
Aspiration smoke detector, room-ident
Commercial Type No. FAS-420-TM-R
Product No. F.01U.078.496
![](https://resources-boschsecurity-cdn.azureedge.net/public/images/middle/ProductPhoto_Web_all_1270558859.jpg)
FAS-420-TM Aspiration smoke detector series LSN improved
Aspiration smoke detector, bar graph
Commercial Type No. FAS-420-TM-RVB
Product No. F.01U.078.497