Merit Eliminator Adjustable Drop Nipples provide the user with the ability to adjust fire sprinkler assemblies (concealed, recessed, or pendent) to fit flush to the finished ceiling without having to cut a drop nipple or drain the system.
FIG F1.150, F2.150, F3.150, F3.175, M1.150, M3.150, ME3.150 Adjustable Drop Nipple

