Amazon.com Review

For optimum cleaning performance, electric toothbrush heads should be replaced every six months. This standard-size replacement brush head fits all original Sonicare and Advance series handles. Color-coded for individual users, the brush head features eight rows of extra-soft, rounded bristles for gentle yet thorough cleaning. The standard size was formerly known as compact. –Ann Bieri

Product Description

For use with Advance series handles only. Works with all original Sonicare and Advance series handles. Advance Series: Standard Size – Optimum tooth coverage for efficient cleaning; Not compatible with Elite series handles.Colors may vary.

Amazon.com Review

For optimum cleaning performance, electric toothbrush heads should be replaced every six months. This set of two standard-size replacement brush heads fits all original Sonicare and Advance series handles. Color-coded for individual users, each brush head features eight rows of extra-soft, rounded bristles for gentle yet thorough cleaning. The standard size was formerly known as compact. –Ann Bieri

Product Description

For use with Advance series handles only. Works with all original Sonicare and Advanced series handles. Optimum tooth coverage for efficient cleaning. Not compatible with Elite series handles. Will this work with your handle? Yes if – Advance 4100 to 4800 models and all original Sonicare handles; No if – Elite 7100 to 7800 models. (Formerly known as Compact size.)