Aculux® 3-1/4 in PAR16 and PAR20 recessed fixtures with square apertures offer high-performance, precision lighting for accent, functional task, wall wash, or general illumination applications. With precision optics and adjustments, Aculux luminaires put exactly the right amount of light in precisely the right places. Computer contoured reflectors, deep regression, precise center-beam alignment, and low brightness trims enable these luminaires to perform flawlessly in any interior setting.