Product Overview For fog horns or sirens, Positions: MOM On -Off SPST, Large black plastic button w/ chrome plated brass housing. Overall width 2 5/8"This product replaces:49-39301, 49-39300, MP39302, MP3930, 11-MP39300, 18-1883, 2312139300, 23121393004 Reviews (No reviews yet) Write a Review