Swipe Cleaner Pack For Magnetic Card Readers: From Automation Facilities, a market leader in the supply of PC, Workstation, Office Equipment and Multi-Media cleaning products, a pack of 20 pre-saturated cleaning cards. The individually sachet packed plain cards are impregnated with Isopropanol and are suitable for use on magnetic card reading equipment to help reduce maintenance and replacement costs and keep the equipment in good working order.