Exclusive Park MGM Home Diffuser Refills make it easy to refresh your home diffuser with our Signature scent or one of 10 custom blends including Pure Bouquet, Tranquil Woods, Citrus Blossom, Tea Garden, Perfectly Oud, Sea Mist, Morning Dew, Sweet Vanilla, Tropical Coconut, or Season’s Greetings. Each cartridge lasts approximately 300 hours. Home diffuser machine sold separately.