Development of Particle Filters for Portable Air Purifiers by Combining Melt-Blown and Polytetrafluoroethylene to Improve Durability and Performance

Figure 6

CADR performance of each filter depending on particle size and loading time: (a) the initial cycle (without loading), (b) the second cycle, (c) the fourth cycle, and (d) the sixth cycle. Data points represent the average of three repetitions, and error bars indicate standard deviations.

(a)

(b)

(c)

(d)