Rainbow Genuine Apple Blossom Fragrance Collection Pack for Rainbow and RainMate Comes in small 1.67 ounce bottles but is concentrated and will last quite a while. Rainbow system fragrances - genuine made by Rexair, Inc. Included in the set: Apple Blossom fragrances, 4 1.67 ounce bottles. Can be used with the vacuum and with the Rainbow RainMate air freshener. Vacuum Cleaner Water Fragrance