RZ Mask (25660) RZ Mask F3 Highest Airflow + Active Carbon Replacement Filters with 50% Breathability Than Standard Filter, Breathing Insert for Woodworking, Home Improvement, DIY, 12 Pack, Large

Description The F3 is the RZ Mask premium filter, with 40% better breathability than the standard F1 filter.

The first layer is a High-Flow Electrostatic Filter, trapping particulates down to .1 micron in size.

The second layer is an Active Carbon Element, which helps to reduce harmful fumes and odors.

All RZ filters have been laboratory tested to be up to 99.9% effective! Features & details Features 2X BETTER BREATHABILITY THAN THE COMPETITION: Electrostatic technology provides 50% better breathability than the standard RZ F1 Filter and over 2X the breathability of competitor product.