Tyco® TY3331, Model TY-FRB, Poly-Stainless, 5.6K, QR, Horizontal Sidewall, 1/2" NPT, Grey, 200 Degree, 57-378-2-200, Fire Sprinkler Head 17536AC Model KFR56 series sprinklers are

Model KFR56 series sprinklers are standard spray

AE151132S9

49-760-6-325

Item: RASCO/Reliable® RA3311

Item:  Stopper® Dome Heated Enclosure for Strobe Only Type 4X

Tyco® TY3331, Model TY-FRB, Poly-Stainless, 5.6K, QR, Horizontal Sidewall, 1/2" NPT, Grey, 200 Degree, 57-378-2-200, Fire Sprinkler Head 17536AC Model KFR56 series sprinklers areThe TYCO Series TY FRB Poly Stainless Sprinklers are corrosion resistant sprinklers designed for use in commercial occupancies where corrosive atmospheres may exist. Item: Tyco TY3331, Model TY FRB, Poly Stainless, 5. 6K, QR, Horizontal Sidewall, 1 2" NPT, Grey, 200 Degree, 57 378 2 200, Fire Sprinkler Head Available In Multiple Colors and Temperatures. See Other Configurations Drop Down. SPEC SHEET WARNING: This product can expose you to chemicals