type:louver glass thickness :4mm,5mm,6mm size:4*24/30/36,6* ... scope of ventilation can be adjusted as will.5. The glass louvers could be cleaned easily. SPECIFICATION: Thickness: 4mm, 5mm, 5 ... coustom-made basisGlass Types: Clear Glass, Tinted Glass, Clear Nashiji Glass, , Clear Mistlite Glass, etcPackage: Carton or Wooden CasesDelivery Time10days after confirmationMOQOne 20ft container louver glass