What are the deninsions accoss the widest part (top) mine is 9 mm's? I am trying to figure out the size I need (small, medium or large)?

small open approximately 5 mm medium open approx 7 mm large open appox 10 mm

Contact the Costco Hearing Center for the recommended dome for the 10.0

Phonak Unitron And Hansaton 4 0 Small Open Domes Pack

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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NZ$24

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

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Description

🦻 Elevate your hearing game with comfort and clarity—because every sound matters!

EASY MAINTENANCE - Simple cleaning instructions keep your domes fresh and your hearing crisp without hassle.
VALUE PACK OF 10 - Never run out—5 pairs in one pack keep your hearing aids performing at their best longer.
HYGIENIC DURABLE - Made from premium silicone, these domes resist earwax buildup and ensure clear sound transmission.
PERFECT FIT EVERY TIME - Small open domes designed for seamless comfort and secure attachment with your hearing aids.
UNIVERSAL COMPATIBILITY - Works flawlessly with Phonak Marvel, Paradise, Lumity, Infinio, Unitron & Kirkland receivers—one pack, multiple devices.

Phonak, Unitron & Hansaton 4.0 Small Open Domes come in a convenient pack of 10, crafted from durable silicone for superior sound isolation and hygiene. Compatible with multiple leading hearing aid models including Phonak Marvel and Unitron, these domes ensure a secure, comfortable fit and easy maintenance, making them an essential upgrade for professionals who demand clear, uninterrupted hearing.

Specifications

ASIN	B07M95T5DR
Battery Cell Composition	Polymer
Battery Description	Lithium-Polymer
Best Sellers Rank	43,317 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 75 in Hearing Aid Domes
Brand	Phonak
Brand Name	Phonak
Colour	skin-coloured
Compatible Devices	Phonak Marvel hearing aids
Control Type	Button Control
Customer Reviews	4.6 out of 5 stars 24 Reviews
Fit Type	Behind-the-Ear
Global Trade Identification Number	07613275690390
Headphone Folding Features	Behind-The-Ear
Item Weight	0.1 Ounces
Manufacturer	Phonak
Material	Silicone
Model Name	E104
Model Number	E104
Model name	E104
Noise Control	Sound Isolation
Number of Items	10
Outer Material	Silicone
Part Number	GM-100A
Power Source	Battery Powered
Power source	Battery Powered
Product Style	Behind-The-Ear
Rechargeable Batteries Included?	Yes
Recommended Uses For Product	For use with Phonak Marvel hearing aids
Special Features	Rechargeable
Strap Type	Over the ear
Style	Behind-The-Ear
Unit Count	10.0 count

Reviews

I**N

Hearing aid plugs

Heating aid rubber seals, stops ear wax from blocking the sound. works well, and cheaper then Boots chemist ones

6.05.2026

W**.

as described.

Okay and fits well

6.04.2026

M**Y

Perfect size

Love these, much better for staying in my ear. Seem to collect much less wax as well

21.03.2026

O**R

Great

Perfect

27.12.2025

A**R

Excellent product

Excellent product , it came very quickly, very well packaged .

23.02.2025

R**E

Perfect sizing

Just right for my hearing aid.

7.02.2025

T**S

Very good

Very Good

22.02.2025

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1 month ago

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1 month ago

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NZ$24

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.