Dispersion Method: Hanging diffuser, vent clip, magnetic diffuser, or plug-in.
Longevity: How long the scent lasts (days, weeks, or more).
Refillable / Reusable: Some fresheners can be refilled with scent oil or pads.
Safety: Leak‑proof design to avoid spilling oils; non-toxic materials.
Power Source (for diffusers): Battery, USB-rechargeable, or car lighter socket.
Control Options: Adjustable intensity or on/off control.
Design & Aesthetics: Stylish form factors like glass + wood, metal, or leather finish.
Size: Compact, suitable for small spaces without obstructing view.
Mobility: Some can be clipped, hung, or magnetically attached to your dashboard or air vent.
Types of Car Air Fresheners
Hanging Diffusers: Fragrance oil in a small bottle with a wooden or silicone cap; hangs from rearview mirror.
Vent‑Clip Diffusers: Clips onto the air vent; uses felt or absorbent pads soaked in essential oil.
Magnetic Diffusers: Uses a metal or magnetic mount to attach to the dashboard.
USB / Electronic Diffusers: Powered via USB; uses ultrasonic or heat to diffuse the scent.
Gel or Bead Fresheners: Scented gel or beads placed in a container; evaporates fragrance into the air.
Local / Kenyan Examples
Evair hanging car air freshener with essential oil in a 10 ml bottle + wooden lid Whizz
Green Lion Drive Mist hanging car diffuser (10 ml, leak‑proof) Microless
Premium magnetic car aroma diffuser — USB rechargeable, metallic finish Businessclaud.com
Diffuser Car Scent (“Fresh Drive”) by Dr Scent — uses cold‑air nano diffusion to turn oils into fine mist Businessclaud.com
Vent‑clip car diffuser made of stainless steel + 10 felt pads for essential oils Businessclaud.com
If you like, I can pick the top 10 car air fresheners on Businessclaud Kenya (with live prices) — do you want me to do that?