3M™ #8511 NIOSH Approved N95 Particulate Respirator w/ Cool Flow Exhalation Valve - Box of 10 Not Returnable We recommend using a floor

We recommend using a floor scrubbing soap for lightly soiled floors

as well as blue medium duty scrub pads

With the dual counter-rotating brushes (CRB)

but require 2 for operation

For those new to the floor care industry

3M™ #8511 NIOSH Approved N95 Particulate Respirator w/ Cool Flow Exhalation Valve - Box of 10 Not Returnable We recommend using a floorThis disposable N95 particulate respirator features the proprietary 3M Cool Flow Valve and helps provide comfortable, reliable worker respiratory protection. It is ideally suited for hot dusty work settings that require long periods of wear. If you have a 3M #8511 Particulate Respirator and are concerned about the valve in connection with source control, then you can cover the interior valve hole with size 1. 88 inch 3M Multi Use Duct Tape. This tape