CERNATA™ Critical wipes are a specialist wiper designed for particle sensitive applications and the recommended choice for wiping and cleaning digital print heads. Made from 100% continuous filament polyester with a super soft touch,. They are designed for cleaning inkjets heads,print heads, encoder assemblies, scanner drums ,imaging cylinders and other sensitive parts. Polyester wipes are completely LINT FREE and help produce clean surfaces, so you'll experience cleaner runs and enhanced equipment productivity. Designed safe for use on digital, flexo, bio-medical and optical media printers, including HP Indigo, vutec, Octopus Agfa, Grapo, Epsom etc... Laundered and packed in ISO Class 4 (Class 10) cleanroom Sheet Size: 9x9`` (25x25cms) Unit of Sale: 1 Pack x 150 Wipes. Digital Press Guaranteed Safe