Product Description
. . . . . Simplex Grinnell 4902-9721 626-708 Audible Notification Appliances Speakers, 25 or 70.7 VRMS, Round Housing Speaker, Ceiling or Wall Mount, Off-White With No Lettering, 7 1/2 in. Diameter x 1/2 in. D or 191 mm x 13 mm. Simplex Grinnell. TE Connectivity. 4902-9721.