Welded I-beams, baffles and seams, triple-fused with welded seam tape inside and out (eliminates the need for glue... and its problems). The best seam technology in the industry--durable, consistent, reliable.
Leafield D-7 valves (The industry's best).
Removable RTA System (Rapid Thwart Attachment), simple lace-free design.
Laced in I-beam floor