How long does the 90g gel last?

Gel air fresheners typically provide 3–4 weeks of noticeable fragrance depending on cabin temperature and ventilation. Scent intensity will gradually fade as the gel depletes.

Can I hang this or does it need to sit flat?

The rabbit ear design works for both hanging and dashboard placement. Use the attachment loop if present, or set it in a cup holder or on a flat surface away from direct sunlight to prevent accelerated evaporation.

Will this stain upholstery or leave residue?

Keep the can upright and away from direct contact with fabric or leather. If gel leaks, wipe immediately with a damp cloth. Store in a cool location to maintain gel integrity.