Greenair Inc. presents the Type-B Refill for CarScent and USB Breeze. This package comes with 10 refills, each made from 100% Polyester to ensure longevity and optimal fragrance diffusion. As the top manufacturer of aromatherapy diffusers in the US, we are committed to bringing a spa-like atmosphere into your home or car. Enjoy a healthier lifestyle with the calming and rejuvenating effects of our diffuser fragrance refills.