Air Wick® Warmer Refills. Air freshener fragrance refill for long-lasting fragrance. Long-lasting fragrance. Scented oils add a warm and consistent long-lasting fragrance through the use of essential oils.Refill fits all Air Wick warmers.Soothing scented oils add a warm and consistent long-lasting fragrance. Fragrances inspired by water-based botanicals that bring the freshness of nature into your home. Refill fits all Air Wick warmers. Includes 2 refills per package, 6 packages per case.