CERNATA™ Extra large ISO 4 Class 10 Cleanroom Wipes. Designed for critical cleaning on all makes of digital printers. Clean Scanner drums,glass surfaces,touch screen control panels and imaging cylinders. These ISO 4 Class 10 cleanroom polyester wipes are completely free of lint or fibre. 4 edge laser cut and sealed preventing lint and fibre contamination. Made from 100% polyester continuous filament fibre, making them durable, soft and engineered tear resistant. Laundered by 17m of ultra pure DI Water to remove any impurities. Sheet size 45x45cm (18x18``) 100 wipes per pack. Colour - White.