PL-21A31PQ
Manufacturers：
Mallory Sonalert Products
Description：
BUZZER 3-24VDC 85DB PCB 3.0KHZ
PL-21N30PQ
Manufacturers：
Mallory Sonalert Products
Description：
BUZZER PIEZO 12V 24MM RADIAL
PL-21N30WQ
Manufacturers：
Mallory Sonalert Products
Description：
BUZZER PIEZO 12V 24MM CHASSIS