Used for recessed mounting of the V2707 Pendant Sprinkler Head (sold separately), the assembly allows for up to 19mm adjustment in the recessing of the sprinkler head. SHFSUV27EARelated ProductsVictaulic Standard Upright Sprinkler HeadVictaulic Standard Sidewall Sprinkler HeadVictaulic Standard Pendant Sprinkler HeadVictaulic Concealed Sprinkler Head