Brush Head Replacement の説明 from Radius
Replace, Refresh, Reduce
Swap this head out for your worn-out one. Replacing heads instead of throwing a brush away reduces plastic consumption and waste by 93%! If everyone in the world switched to Source, a whopping 28.5 billion less toothbrushes a year would end up in landfills!
Toothbrush Tip: This brush has 3000 bristles (compared to 1800 bristles for other brushes) for a deeper, more complete clean.
ADA Accepted - Non Toxic
-Recycled & Sustainable Packaging
Pull out the old head and replace with the new one. Turn handle left or right as needed. Replace every 3 months.