Brief introduction:
Compatible£ºDeVilbiss 29, 44, PV 02D, Puritan-Bennett 492A&590 Healthdyne BX5000, and Respironics Millennium Concentrator Filters
The counting efficiencies
Particle size £¨¦Ìm£©0.3 ~ 1.0 Efficiency 99.00%
Particle size £¨¦Ìm£©1.0 ~ 3.0 Efficiency 99.96%
Particle size £¨¦Ìm£©3.0 ~ 10.0 Efficiency 100.00%
