Study to Assess Effect of Next-Generation Propellant MDI on Mucociliary Clearance Vs. HFA Propellant MDI in Healthy Participants

"* Dose formulation: metered dose inhaler (MDI)~* Unit dose strength(s): Experimental (propellant only)~* Dosage level(s): 6 inhalations, BID~* Route of administration: Oral inhalation~* Participants will receive treatment A in 1 of 2 possible treatment sequences: AB or BA"

"* Dose formulation: metered dose inhaler (MDI)~* Unit dose strength(s): Reference (propellant only)~* Dosage level(s): 6 inhalations, BID~* Route of administration: Oral inhalation~* Participants will receive treatment B in 1 of 2 possible treatment sequences: AB or BA."