Sparkling Citron Verbena Electric Fragrance Warmer Refills by Claire Burke - 2016 STYLE The new 2016 Electric Fragrance Warmer is only compatible with our new refills, which work as an entirely new fragrance system. The old and new styles are not interchangeable. We recommend you upgrade to the new Warmer and refill system for the best fragrance experience. Sparkling Citron fresh scent infuses the air with the crisp essences of myer lemon, lime and citron mingled with french cassis and verbena leaves. Refills come two to a box and fragrance for 30-60 days each. 0.71 fl oz (21mL) each, Total 1.42 fl oz (42mL) The sophisticated design plate of the NEW Claire Burke Fragrance Warmer Unit discretely covers the fragrance bottles, which feature our newly reformulated oil for a more impactful scent. NOTE: New Style Warmer Unit and Refills are NOT backwards compatible with any of these products obtained prior to February 2016.