The Halo HL6RSMF is a 6 in. recessed lighting, new construction, mounting frame that is perfect for install from below fixtures (i.e. canless lighting). Great for new construction projects in lieu of a can or housing. Canless lighting goes where LED can lights can't. Using this mounting frame, you can easily reserve space in the ceiling for your canless recessed lights and provide routing guidance for the drywall contractor. This Halo recessed lighting mounting frame works for round and square Halo canless lighting fixtures (including HLB, HLA, RLDM and RADM product families). Attach the driver junction box to the building structure and use this LED recessed lighting fixture to meet local code requirements where install from below fixtures must be supported directly by building structure. (6 mounting frames included). Features: Use this galvanized steel mounting frame to easily reserve space in your ceiling for canless recessed lighting Provides tool-less attachment of remote driver/junction box to recessed lights LED recessed lights mounting frame has offset aperture and integral bar hanger receivers Halo 6 in. LED mounting frame locking screws provide positive horizontal locking Break-outs allow the frame to accept square fittings; note: frame cannot be reverted to accepting round fittings after the break-outs are removed Got nail, Gen 3 bar hangers adjust from 8 in. to 24 in. wide Pass thru feature allows shortening without removal Captive nail penetrates standard and engineered lumber Mounting flange levels platform with ceiling Integral clip attaches directly to tee bar Can be used to meet local code requirements where can lights installation from below fixture fittings must be supported directly by building structure 1-year limited warranty for this recessed LED lights frame