Create the perfect upscale scent experience without the upscale prices! Safely Scent Diffuser Universal Refills are made with essential oils and fine fragrances for the ultimate scent experience. Each refill gives your home up to 100 days of scent-sational fragrance bliss. Our fragrance plug-ins feature an adjustable cap that offers a precise adjustment of scent strength so you can control how much you want to enjoy at one time. Our formula is gentle and created to showcase our naturally uplifting scent, Bright. Our custom Bright scent features top notes of pink grapefruit and cassis, followed by rose, violet, amber, and cedarwood; it's bright and crisp, with a sparkle. It smells a-a-amazing.