Do these fit philips sonicare 4100 hx3681/24?

yes they do. they tend to lift every now and then. but small inconvenience for the money saved

Does this have the microchip head replacement indicator?

No, that’s why it’s much cheaper than the name brand ones. The bristles have the fading blue color indicator to let you know when it’s time to replace

C1 or c2 or c3? it cannot be all of them.

Hello, Thanks for your inquiry. The click-on brush head is the standard brush head and compatible with most of Sonicare rechargeable toothbrushes. The bristles between c1c2 c3 are different.

Manufacturer	toptheway
Country of Origin	USA
Item model number	9024
Package Dimensions	16.18 x 10.11 x 3.1 cm; 91 g
ASIN	B09XQR1QXV

Toothbrush Replacement Heads for Philips Sonicare: 10 Pack Sonic Replacement Compitable with Phillips Electric Brush ProtectiveClean DiamondClean C3 C2 G2 W 4100 5100 HX9023 Plaque Control Snap-on

Details

Description

Specifications

Common Questions