ECO Filter (Save $10)
ECO filter is second only to PRO filter in terms of performance, yet it is much more economical. It is the best value for money in terms of performance/cost ratio. Great for cycling and woodworking.
10 pairs of ECO Filters
A pair of pre-installed ECO Filter+Frame
Blue or White Filter cover
The ECO filter is the most cost-efficient for high performance for air pollution (PM2.5).
The larger filtering area ensures easy breathing.