Air Wick Scented Oil hotter refill with 0.67 oz limit has new water aroma that can be changed in accordance with coveted level. Refill works with any Air Wick scented oil container, sold as 2 for each pack.Compatible with the Air Wick Scented Oil Warmer Dispenser. Crisp waters aroma. Scent can be changed in accordance with the coveted level. Each oil hotter is 0.67 ounces.