The Nanlite Fabric Barndoors and Grid for PavoTube Ii 15C Led Tubes mounts with T12 diameter clips and minimizes light spill while adding directionality. Features openings on the rear that do not allow light to escape, but do let you insert mounts to rig the light on a stand, and see the display of the light. A carrying bag is included for storage and travel.Control Light SpillOutfit your PavoTube Ii 15C Led Tube Light with the adjustable fabric barn doors and modify its beam angle from 180 Degree down to less than 5 Degree .Add DirectionalityUse the included 45 Degree Fabric Grid to selectively light subjects without losing the PavoTube's diffuse light quality.Standard T12 Diameter MountWhile created specifically for the larger illumination surface of the Nanlite PavoTube Ii 15Cs, this Fabric Barndoor and Grid kit is compatible with other T12-sized tube lights that are approximately 2 feet in length.Lightweight ConstructionMade from ripstop nylon, these PavoTube Fabric Barndoors and Grid fold flat and travel light..