21x18x8-1/2 RSC Kraft ECT32 Extra Scores 15/270

TWR571 MFG #: R571
  • Color: Kraft
  • Dimension: 21'' x 18'' x 8-1/2''
  • Product Detail: V.D. @ 2-1/2'', 4-1/2'' & 6-1/2''
  • Strength: 32 ECT
Corrugated. Furnished flat. Seal with tape, glue or staples. Meets Rule 41, Item 222 and AST Standard Practice D5118.