Model: 1081/1082/1083 Product: SELEN polyester wiper Cutting: Laser cutting. Features: 1.Laser sealing to hold the fiber on the edge of the wiper, Smooth sealing to raise service rate to 100%. 2.Post-processing technology to provide wiper with anti-abrasion and anti-corrosion properties . Package for Class-100 cleanroom. Size (For reference only): Inch: 4, 4, 6, 6, 9, 9.