Does not fit AquaSonic DUO.
eBay
Tooth Brush Heads for Aquasonic Black Series Pro Vibe Series Duo Pro Series Electric Toothbrush Heads Replacement Refill Bristle
Aliexpress UK
【Specially Designed】:This head is specially designed compatible with AquaSonic black series, black series pro, vibe series, and Duo series pro electric toothbrush.Unique design without inner plug device,more dense bristles，stronger vibration and more thorough cleaning.
eBay
SUBORT S6 Wave Electric Toothbrush Oscillation & Vibration Sonic Electric Toothbrush for Adults USB-C Rechargeable with 2 Heads
Aliexpress UK
Gentle On Gum: With the Nylon soft bristles that are gentle on teeth and gums yet effective at removing plaque and tartar. Reduce gingivitis up to 8x versus a manual toothbrush. Electric Mason Jar Vacuum Sealer Kit 1200mAh Battery Enhanced Motor.
eBay
Original Xiaomi Mijia Oscillation Electric Toothbrush Brush Head 3PCS Heads Sonic Vibration Electric Toothbrush Head Accessories
Aliexpress UK
Complete Oral Care for 2 – AquaSonic Duo provides complete oral care in one simple countertop setup. What's Included - 1 Midnight Black Smart Toothbrush, 1 Optic White Smart Toothbrush, 1 Dual Wireless Charging Dock, 2 Travel Cases, 10 DuPont Brush Heads, Support & Warranty Manuals.
eBay
Replacement Toothbrush Heads Electric Toothbrush Brush Heads Rotating Replacement Brush Heads 4/8/16PCS Toothbrush Soft Heads
Aliexpress UK
AquaSonic Black Series Ultra Whitening Electric Toothbrush 8 Heads Travel Case. Brand new in box, box may have slight damage from storage.
eBay
Electric Toothbrush Travel Case for Oral-B Toothbrushes with 4 Pcs Toothbrush Head Covers Fit for Oral B Toothbrush Heads
Aliexpress UK
Does not fit AquaSonic DUO. This product is no original toothbr ush he a d, and its appearance may differ from the original toothbrush head.
eBay
Toothbrush Head Covers for Oral B iO Toothbrush Heads, Toothbrush Caps Suitable for Oral B iO Electric Toothbrush(Colorful)
Aliexpress UK
Investing in premium oral care technologies has earned the Vibe Series the prestigious ADA seal of approval. It has shown efficacy in removing plaque and helping to prevent and reduce gingivitis. Vibe Series goes beyond just cleaning teeth it provides complete oral care with unique modes that include one for whitening and polishing teeth and one for improving gum health.
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Electric Toothbrush Replacement Brush Heads Refill For Oral B Toothbrush Heads Wholesale Whitening Toothbrush Head
Aliexpress UK
Deeper Cleaning for Healthier Teeth: This electric toothbrush pushes the toothpaste to hard-to-reach areas with 40,000 vibrations per minute.
eBay
4-16Pcs Replacement Toothbrush Heads Plaque Defence Electric Toothbrush Head Toothbrush Brush Head for PH Sonic Care C2
Aliexpress UK