These Genuine toothbrush heads are compatible with Acteh, Sonic Edge, and Jet Wave electric toothbrushes. They are made from soft, BPA-free bristles that are gentle on your gums and teeth, and are designed to provide a deep clean. The replacement toothbrush heads are easy to install and come in a pack of four, so you can replace them regularly to maintain good oral hygiene. These toothbrush heads are an affordable and effective way to keep your teeth and gums healthy and clean.