2 e-series replacement brush heads; standard size Compatible with sonicare advance, elite, essence and xtreme series handles Up to 2x better plaque removal versus a manual toothbrush Tapered, extra-soft contoured bristles Slim angled neck reaches hard-to-clean areas For use with advance, elite, xtreme, and essence series handles only. E-series: slim, angled neck, tapered brush head, and contour-fit bristles. Gets into hard-to-reach areas for optimal results.
I LOVE my Sonicare - nothing compares to how clean my teeth feel after every brushing other than the dentist. I highly recommend one to everyone I know. It was the best money I've spent in a long time. My mouth feels cleaner, longer. My teeth have since whitened... But on to the review of this product:I originally had purchased the sonicare replacement brush heads, but I felt they were pretty pricey, so I purchased some Wal-Mart special replacement heads. Worst ide..