Fire sprinkler for firefighting systems designed to be fitted at the end of firefighting pipeline to spray water for extinguishing or suppressing the fire. A sidewall sprinkler is installed on the wall along or under a beam with only half of a deflector, so water coming out of the orifice shoots horizontally. Sidewall sprinkler is designed to protect small rooms, hallways, and others where sprinkler pipes are running up walls but not in the ceiling. UL listed, FM listed, and nationally recognized safety standards. Available in a variety of diameters starting from 1/2" up to 3/4".