Air freshener specifications generally include a spray or gel form, often aerosol-based with molecular odour-neutralizing technology. Common specifications require a long-lasting fragrance (up to 60 days or ~2200 sprays), net volumes around 225-300 ml, and compositions including propellants (butane/propane), fragrance oils, and surfactants. 

Key Technical Specifications for Air Fresheners

• Form: Aerosol spray, gel, or block (solid).
• Composition: Propellants (butane/propane), fragranced oils, surfactants, deodorizing agents, and ethanol or water as solvents.
• Fragrance Duration: Typically designed for long-lasting effect, such as up to 60 days in automatic dispensers or over 8 hours for standard aerosols.
• Intensity Control: Automatic machines often feature adjustable settings, such as 10, 20, or 40-minute spray intervals.
• Packaging: 275g aerosol cans, 50g blocks, or liquid refill bottles.
• Safety/Environmental: Eco-friendly, biodegradable options are available. Some aircraft-approved, non-flammable formulations exist.
• Typical Scents: Lavender, Lemon, Rose, Jasmine, Sandalwood, or mixed floral/citrus.