The Philips Sonicare A3 brush head is all about “one brush head does everything”—so when choosing, you mainly look at cleaning performance, gum care, whitening ability, and compatibility with your Sonicare handle.

Description

Key Features

All-in-one design combines plaque removal, whitening, and gum care in a single brush head
Removes up to 20x more plaque than a manual toothbrush, even in hard-to-reach areas
Triangular bristles deliver up to 100% more stain removal in just a few days
Long side bristles improve gum care, helping achieve up to 15x healthier gums in weeks
Sonicare fluid action enhances cleaning by pushing fluid between teeth and along the gumline
Compatible with all Philips Sonicare click-on handles for easy replacement
BrushSync™ technology tracks usage and reminds you when to replace the head
Toothbrush sold separately

Specifications

Reviews

Ask a question

Philips Pack of 2 Sonicare A3 Brush Head

Name: Philips Pack of 2 Sonicare A3 Brush Head
Brand: Philips
SKU: HX9092/91, HX9092/14
Price: 54.95 AUD
Availability: InStock
Rating: 4.6 (194 reviews)

^$54^.95

Spend $300-$399 on Selected Electrical & Get $40 Off with code EXTRA40
OR Spend Over $400 & Get $60 Off with code EXTRA60
Ends 11:59PM AEST 13/7/26

Colour:

Black White

Compare

Please select a product option to continue.

© 2026 Harvey Norman Online | Harvey Norman Online is operated by the eComm Store Pty Ltd, an independent franchisee. Harvey Norman Stores are operated by independent franchisees.

Subject to the terms and conditions goods and services described in this website are available from Harvey Norman online only, unless expressly stated otherwise.

Product Type	Electric Toothbrushes
Brand	Philips

Key Features

Philips Pack of 2 Sonicare A3 Brush Head

GTM