The UL22/70 is a complete UL Listed, shallow depth, lightweight, tile replacement, fire-protective signaling device with an 8C10PAFR - 8” O.D. loudspeaker, 10 oz. magnet, fire retardant components and a 4W-70V rotary select transformer. Integral enclosure is 1,412 CID molded fiber. Grille is perforated steel with five (5) seismic tie-off points in a white powder coat finish. Line supervision capacitor is included. No assembly required.