The Lifelines Clickwick Refill 4-pc. Discovery Set is designed exclusively for Lifelines ClickWick™ Diffusers (candle, plant, and shower diffusers) featuring patent pending diffusion caps and specially formulated essential oil blends. Set includes four (5) essential oil blend refills Boxed set measures 6.9L x 1.4W x 4.3H in. Each bottle contains 0.25 fl oz. Designed exclusively for Lifelines ClickWick™ Diffusers Jasmine & Geranium Grapefruit & Bergamot Fir Needle & Pine Mint & Eucalyptus Features patent pending diffusion cap and specially formulated essential oil blends Care: Dust with a soft, dry cloth. This item is available at Kirklands.com only, not available in stores. Please note: this item cannot be shipped to APO/FPO addresses.