Lenticular perforation 33.4 / 12.00

  • Designation: Lenticular perforation 33.4 / 12.00
  • Hole size: 33.40 mm / 12.00 mm
  • Hole spacing: 37 mm / 10 mm
  • Rows of holes: lenticular
  • Free cross-section: 72.70 %