Oral B Refill Electric Ortho Toothbrush x2

Oral B Electric Toothbrush Refill Ortho x2 are compatible with all Oral-B electric toothbrushes except the Pulsonic IO, and are specially designed for people with orthodontic appliances.

Refills for Oral-B electric brushes, designed for cleaning healthy brackets, teeth and gums when using orthodontic appliances.
They are compatible with all brand electric toothbrushes, except the Pulsonic IO.
You should replace the head every 3 months or sooner if it is visibly worn.