System Sensor HWL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, No Marking, White 32246672 Outside Diameter 3 1/8"

Outside Diameter 3 1/8"

For use with viking concealed escutcheon standard 2 3/4" cover plate numbers:  23190

They come with keyhole slots for easy wall mounting

glare-free LED lighting heads

Adjustment Pressure Range:  10-200 PSI

System Sensor HWL-LF L-Series Indoor 2-Wire Selectable Output Low Frequency Sounder, Wall Mount, No Marking, White 32246672 Outside Diameter 3 1/8"System Sensor HWL LF L Series Indoor 2 Wire Selectable Output Low Frequency Sounder, Wall Mount, No Marking, White The L Series offers the most versatile and easy to use line of low frequency sounder and low frequency sounder strobes in the industry. With white and red plastic housings, listed for wall and ceiling mounting, L Series Low Frequency can meet virtually any application requirement. The low frequency sounder and low frequency sounder