Middle Atlantic Solid F/R GRK DR, 48 SPThe Middle Atlantic Solid F R GRK DR, 48 SP represents a pinnacle in professional AV rack design. Engineered as part of the GRK Series, this welded, gangable rack is built for installations where space is precious and cable density is high. Whether youre setting up a broadcast control room, a live event venue, or a data centers equipment room, the GRK DR delivers rugged reliability, flexible cable management, and a clean, professional appearance. Its