Description:Note: The merchandise are fresh and sealed manufacturer. These aren't made through Philips, but the fine stays to be excellent! Feature: 1. Compatible with Sonicare brand, correct for HX3HX6HX9 series. 2. The bristles use DuPont Tynex from the United States. 3. The bristles are soft, with around ends, more Take care of your gums. 4. Rust-free and metal-free planting technology, rising 40% bristles quantity. (only for G2 and W2) 5. Reminder bristles let's you know when to exchange the comb head. After three months of standard use bristles show fatigue, and brush heads are less effective. Replace your brush heads each 3 months. Perfect compatible with the following Sonicare Electric Toothbrush Snap-On Handles: HX6610 HX6616 HX6620 HX6631 HX6632 HX9312 HX9322 HX9331 HX9332 HX9340 HX9342 HX9350 HX9351 HX9352 HX9359 HX9361 HX9362 HX9371 HX9372 HX9381 HX9382 HX9392 HX9393 HX9903 HX9924 HX9954 HX6314 HX6710 HX6720 HX6721 HX6722 HX6730 HX6731 HX6732 HX6733 HX6750 HX6761 HX6780 HX6781 HX6782 HX8911 HX8918 HX8923 HX8962 HX8982 HX6160 HX6902 HX6910 HX6911 HX6920 HX6921 HX6922 HX6930 HX6932 HX6950 HX6960 HX6963 HX6970 HX6972 HX6973 HX6992 HX6995 HX9111 HX9112 HX9120 HX9140 HX9150 HX9160 HX9171 HX9172 HX9191 HX9192 HX9195 HX6160 HX9180 HX6510 HX6511 HX6512 HX6520 HX6530 HX6552 HX6581 HX6582 HX3100 HX3110 HX3120 HX3130 HX3300 HX3631 HX3650 Sonicare for Kids: HX6311 HX6312 HX6320 HX6321 HX6322 HX6330 HX6340 HX3211 HX3281 Other: HX3210 HX3211 HX3281 HX3214 HX3216 HX3226 HX6100 HX6210 HX6240 HX6411 HX8910 RS910 RS930 R732 R710 Models Not Fit HX4100 HX5000 HX5610 Purchase Notes About Warranty We offer two years guarantee for our products. If there's any damage, we will ship you unfastened parts, please install it by yourself (we will ship you the set up video). But if it is broken by approach of human factors, or if it is destroyed through exterior forces, you need to pay some fees. If you've got definite requirement, please leave a message when function order. After Sale Please reward us with the evidence of video if item have any situation after receiving the parcel inside 7 days, we're ready to offer replacement or refund after confirming the problem. Feedback Reviews If you are not convinced with our products or service, please be happy to touch us, we can attempt our greatest to resolve your problem! Please do not depart a detrimental feedback with none communication. If you're satisfied with our item and services, please leave us a 5 stars rating. Thanks to your realizing in advance!