info@rdsusa.com
P: 978-970-1947 • F: 978-970-1948
6 Courthouse Lane, Suite 8
Chelmsford, MA 01824
info@rdsusa.com
P: 978-970-1947 • F: 978-970-1948
6 Courthouse Lane, Suite 8
Chelmsford, MA 01824

The study of the performance of Microspacer using the Cascade Impactor

Harvard School of Public Health
Department of Environmental Science and physiology Biology Program

665 Huntington Ave., Boston, MA 02115

Ralph W. Niven, Ph.D. M.R. Pharm S.

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Discussion & Conclusions

MicroSpacer® the screen valve delivery system successfully blocks large aerosol particles from impacting the back of the throat while allowing smaller aerosol particles to pass thru., deep into the lungs.