Introducing our Medium Grey Essential Oil Felt Pads - the perfect accessory for all your aromatherapy needs! With our value package of 100 refill felt pads, you'll never run out of options to enjoy the benefits of essential oils. These felt pads are designed with convenience in mind. Measuring at a diameter of 22mm and a thickness of 2mm, they are the ideal size for diffuser necklaces, bracelets, essential oil car diffusers, and home diffusers. Simply drip 3-5 drops of your favorite essential oil onto the felt pad and experience the soothing scents throughout your day. But that's not all - our FeltMd Replacement Felt Pads are compatible with a wide range of products, including ARB-08, ARB-09, ARB-10, ARB-11, ARB-12, and ARB-13.