Amazon.com : (2 Pack) FM Approved & UL/CUL Listed TUNA Fire Sprinkler Head Horizontal Sidewall Spray 1/2” NPT 155°F (68°C) K=5.6 Side Wall Spray K80 Standard Response for Automatic Fire Sprinkler System
Explaining Sidewall Sprinkler Heads, Both Horizontal and Vertical
Sidewall Fire Sprinkler | Fire Fighting Equipment | Iron Man
1/2 Inch Brass Horizontal Sidewall Fire Sprinkler Head