LGWP Propellants

A transition from the use of HFA 134a and HFA 227 as propellants in metered dose inhalers (MDIs) to lower global warming potential (LGWP) propellants is in the early stages


Learn more about these LGWP propellants:

Resources for the LGWP transition

Videos


Learn more about the transition:

IPAC-RS Workshop on the transition

View IPAC-RS’s October 11, 2023 Workshop on the Transition to Low Global Warming Potential Propellants for Metered Dose Inhalers

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December 9-December 11DDL 2026, Edinburgh, Scotland