The V-Air MVP Dispenser Fragrance Refill features an airadicate malodor counteractant and odor neutralizer to help stop bad odors for up to 60 days. Plus, it works with multiphasing fragrance technology to help deliver fragrance around rooms without batteries or fans. Wide coverage freshens rooms up to 6,000 cubic feet. Refill is designed for use with the V-Air MVP Air Freshener Dispenser (not included).