Mount it on a ceiling or wall - the L-PBM20A offers you the flexibility for any indoor or outdoor requirement. Ideal for applications like galleries and shopping arcades, this speaker complies with mu
The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
Photoelectronic Low-Profile Plug-In Detector for Special Applications
Note: For pendent mount applications where remote testing is NOT needed, the 2151 needs to be used with either the B114LP or B114