Replacement brush heads are compatible with any Oral-B electric toothbrush, except sonic series. 5 different models x 4 heads per model = 20 heads 4 x Precision Clean Replacement Brush Heads 4 x Cross Action Replacement Brush Heads 4 x Pro 3D White Replacement Brush Heads 4 x Floss Action Replacement Brush Heads 4 x Dual Clean Replacement Brush Heads Compatible with all popular Braun Oral-B handles (except Sonic toothbrushes) Dental Association recommends replacing your toothbrush head every 3 months. Notice: Products are brand new and manufacturer sealed. NOT made by Oral B. -------------------------------- >> Delivery & Returns<< The delivery time is around 7-12 working days after your purchase. Import tax and duty included. Quick & Easy returns serviced by Auckland local team. MONEY BACK GUARANTEE: We promise your money back if your item is not delivered within 30 days.