BIRUGEAR Barn Door and Honeycomb Grid and Gel Set for Hensel, Elinchrom, Photogenic Great for all monolight brands using a 4" diameter reflector including Elinchrom, Bowens, Profoto, Novatron, Speedotron , Norman Smith-Victor, Hensel , Alien Bees, Alien Bee, Visico, White lightning etc. The Universal Barn door Kit comes with a grid and 4 color gels with metal frames. Using a barndoor set will allow you to control light cast of subject when attached to the front of the reflector of your light source. A 4-leaf barndoor provides more light control than a 2-leaf barndoor set. High quality barn door with honeycomb