Simply add a few drops of essential oil to easily transform your bedroom and offices into a soothing, relaxing, or refreshing space Replacing old humidifier pads helps your humidifier effectively diffuses lasting fragrances along with Make of soft and breathable unscented cotton, these absorbent pads quickly soak up and evenly diffuses your favorite essential oils or fragrances oils You will receive 60 pieces of humidifier aromas pads, It ' s the perfect replacement humidifier accessory Applicable Models: Suitable for HM306, HM311, H311S, HM512S, H612S, HM524, HM713, HM713S, H813S, HM717S humidifier