Table 2. In vitro characteristics of Beclomethasone Dipropionate delivered from Beclotrex^®MDI alone and in combination with spacers. Data are presented as mean ± standard deviation.

Device	FPF a (%)	MMAD b (µg)	GSD c
Beclotrex ®	42.90±11.18	2.77±0.54	2.55±0.612
Beclotrex ® +Asannafas ®	67.87±10.68	2.64±0.40	2.45±0.32
Beclotrex ® +Damyar ®	72.93±6.33	2.07±0.26	1.93±0.13

a: Fine Particle Fraction

b: Mass Median Aerodynamic Diameter

c: Geometric Standard Deviation