These 7999 filter disk covers easily snap on to your Moldex 7000 and/or 9000 series respirators to protect your P100 filter disks. Increase the durability of your Moldex filter disks and keep them lasting as long as possible with these covers. The covers protect yours P100 filters from hazards ranging from water to stray sparks. They are clear so your filter label can still be easily read to ensure easy selection of the correct filter. These filter disk covers are also reusable and recyclable to keep costs low.