This exquisitely scented Wall Diffuser Refill Duo features a bestselling blend of pink pomelo grapefruit and watery green notes with lily of the valley and coriander blossom that uplifts the senses. Simply insert one refill into the NEST New York Wall Diffuser (sold separately), to enjoy approximately 30 days of uninterrupted fragrance. Includes two NEST Wall Diffuser refills, 0.7 oz Imported SPECIFICATIONS Lasts approximately 30 days 1.06"W x 2.13"H x 2.75"D. Fragrances - Lifestyle Home Collectio > Saks Fifth Avenue > Barneys. Nest New York.