White Oak Rift Architectural MDF G2S SMTSO. 19mm 48.8" x 98.4". TSCA Title VI Compliant Seq Match & #'d. This is the top quality. Exclusively well-structured, homogeneous logs of pure quality throughout the successive books of veneer wood are eligible for this range. The panels are numbered so that they can be used sequentially to ensure a flowing pattern within the panels of one pack. Slip Match Tight Side Out