MARKL SPRLED-LOP-21FT4-RLP-G980CRI- 35K-400LMF-NODIM-MVOLT-ZT MARK LIGHTING 21'-4" LINEAR RECESSED LED FIXTURE REGRESSED LENS 9/16" WIDE INVERTED TEE CEILING TRIM 80 CRI 3500K 400 LUMENS PER FOOT 0-10V CONTROL INPUT