This fragrance, Clean Crisp White, is a sophisticated, fresh, and airy clean scent that does the work for you. Use this vial in the Pura Smart Home Fragrance Diffuser (sold separately) to enjoy up to 336 hours of fragrance. The Smart Vial Refill  brings convenience to a whole new level by automatically detecting fragrance insertion and removal, eliminating the need for QR code scanning during onboarding and replacement.