Sell 3M 501/6001 Filter Cover/Retainers best price

“Slick, Sturdy and Inexpensive” 501/6001 Filter Covers and Retainers to extend filter use. This breathable cap can be worn all day and provides good protection to both you and your filter. As we know the alcohol can do some damage to the filters, so the breathable dense louvers can protect the filters when you spray alcohol on the mask to disinfect it. and also the virus attached to the surface of the filters might fell off in your home, these louvers can avoid secondary pollution to some extent as well. Package Details • 1 Pair of Retainer Cap Available in different colors Package Options: 1. Honeycomb - 1 Pair of Honeycomb Filter Cover 2. Plain - 1 Pair of Plain Filter Cover - 1 Pair of Filter Retainer Cap WE CAN SHIP ASAP NO NEED TO WAIT 7 Days!