Inhalers Alternative ways to recycle Special Instructions Return to Pharmacy or deposit in a Med Project Bin. Never Puncture or Burn Do not puncture the container or throw it into the fire because an inhaler is an aerosol product and could explode. Alternative Ways to Recycle Return Used Cartridges to the Pharmacy Some pharmacies and law enforcement offices are registered with the DEA as authorized drug collectors. You can drop off used inhaler cartridges at these locations. Find a DEA-authorized disposal location.