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The vehicle demister is necessary, once fog condensed on an exterior side view mirror and prevents visibility when driving.
Tienly rear view mirror demister /defogger is also sandwiched in between two pieces of PET, and the electric circuit is made of conductive thick liquid, enamel-insulated wire or resistance wire.
Tienly mirror demister /defogger are adhesive pads, when covered onto the back of the mirror, it will result in a warming of mirror surface, the mist got rid of.
Rear view mirror defogger/demister of vehicle
