Willson® Powered Air-Purifying Respirators 6000 Series PAPRs Rugged to withstand harsh environments and worker abuse. Low-profile belt-mount blower rests comfortably in the small of the back to distribute weight and reduce fatigue - halfmask and full facepiece models available. Marathon® face-mount blower offers a unique dual-function filter cover to protect against water splash and seals filter for storage. Field-replaceable power cord reduces downtime and inventory costs. Locking guides prevent accidental disconnection. Choice of single or 10-unit chargers with LED indicators for convenience and cost savings. Will accommodate the 6- or 8-hour fast charging lead acid-gel batteries. Belt-mount and face-mount blowers use the same batteries and chargers. Both the face-mount and belt-mount HEPA PAPRs exceed the NIOSH 4 cfm minimum air flow requirement providing users under operation protection and comfort. Recommended applications - lead and asbestos abatement.