Today’s Groupon offers Four Oral-B Toothbrush Refill Heads, distributed by Rex Brown Ltd. Special bristles are designed to brush away plaque for better tooth-by-tooth clean compared to cleaning with a manual toothbrush With CleanMaximiser technology, green bristles turn yellow and shows when it’s time to replace brush head Compatible with all Oral-B handles except Pulsonic & iO Dimensions: 22cm x 6cm x 3cmShipping only to most of GB mainland. Not available for AB, BT, DB99, DD9-11, EH35-46, FK18-21, GY, HS, IM, IV, KA27, KA28, KW, KY9-16, PA, PH, PO30-41, TD, TR21-25, ZE postcodes.