The Quick Response Extended Coverage Horizontal Sidewall Sprinkler from Globe Fire Sprinkler Corp. features a 5.6 "k" factor with a 1/2" NPT. It is U.L. listed for 135-200¿F in standard and recessed styles. The room coverage ranges from 16' x 16' through 16' x 20', depending on the temperatures of the sprinkler and the ceiling to deflector distance. Available in brass, chrome white and black polyester finishes. Globe Fire Sprinkler Corp.