Defender™ Multi-Purpose Cartridge, Olive, used with 5500/7700 Half Masks, 5400/7600 Full Facepieces ORS NASCO Thinsulate thermal middle layer and

Thinsulate thermal middle layer and heavyweight polyester fleece lining|Three layers|Shoulder length|Outer shell and binding are flame-retardant until washed|Fleece lining and fasteners are flame-resistant

low-drain household electronic devices like remote controls|Designed and developed for long lasting quality performance|Available in AA

Contains silicon additives

behind-the-head and below-the-chin|Soft foam cushions are easy-to-clean with soap and water

Defender™ Multi-Purpose Cartridge, Olive, used with 5500/7700 Half Masks, 5400/7600 Full Facepieces ORS NASCO Thinsulate thermal middle layer andConvenient cartridge filter combination Color coded for quick and easy identification