The Chimera 1655 Universal 1×1 features an adjustable design to accomodate a wide range of square 1×1 LED Panel fixtures. With a frameless design, the Universal 1×1 fits fixtures from 11.75×11.75 in to 14.75×14.75 inches in outside dimension. With four elastic corner loops and two center to attach to the yoke knobs, this lightbank offers you the ability to shape and diffuse the light output. Included standard is a 30 degree lens screen that offers a medium-level of light control and very light diffusion. Optional screens and fabric grids are available for increased control.