Eco refills for sonic toothbrush VIBE 3. It's the inner values that matter! Our new Eco refills for sonic toothbrush VIBE 3 are made of up to 40% renewable raw materials and make you and our environment smile every day. High-quality bristles treat your teeth gently and effectively - with rounded triple bristles and a smiling replacement indicator. A small step for a refill, a big one for the environment!