Woodwick Candle Car Vent Freshener Box of 6 - Redwood lets you enjoy your favourite Woodwick fragrance on the go and is the perfect way to refresh your in car, bathroom, closet or any other space. Lasts up to 30 days or more. Clips into car air vent. Redwood combines rich redwood and sandalwood with a hint of soft amber. Price includes 6 fresheners.