Is there a filter with the device?

No-when you cough you have to remove the device from your mouth therefore mucous ends up in your mouth not the device.

How do you clean it does it come with instructions

I have not tried to clean it, but it should be possible with an appropriately sized flexible brush. In my home, I am the only user, so I'm not concerned with spreading germs to others. Yes it comes with instructions. I did find it effective.

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

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Willnice Mucus Clearance Device with 16/18/19MM Stainless Steel Balls, Flutter Valve Clearing Device and Breathing Muscle Exercising Device for Strenthing, GY Design Provided

Product ID: 499037487

Details

Brand
Generic
Colour
blue
Item weight
0.13 Kilograms
Material
Stainless
Type of controls
Remote

👜Compact, portable pocket-sized design

⚙️3 customizable steel ball sizes (16/18/19mm)

🌬️Airflow vibration technology for mucus clearance

Description

🌬️ Breathe Stronger, Live Freer — Your Pocket-Sized Lung Trainer

DAILY BREATHING BOOST - Just 10–30 minutes a day strengthens respiratory muscles and improves breathing endurance for lasting wellness.
PORTABLE LUNG FITNESS - Sleek, pocket-sized design fits seamlessly into your daily routine—perfect for gym, travel, or office use.
EFFORTLESS SETUP USE - No tools or complicated adjustments—snap in your preferred ball and start your breathing exercise in seconds.
ADVANCED AIRFLOW VIBRATION - Harness airflow vibration to effectively loosen mucus and enhance lung clearance with every breath.
CUSTOMIZABLE RESISTANCE LEVELS - Choose from 3 precision-engineered stainless steel balls to tailor your breathing workout to your needs.

This Mucus Clearance Device features three interchangeable stainless steel balls (16mm, 18mm, 19mm) that provide customizable resistance for breathing muscle exercise. Utilizing airflow vibration, it helps loosen mucus in the airways to support easier expulsion and stronger lung function. Its compact, handheld design requires no batteries and is ideal for daily use anywhere—gym, work, or travel—making respiratory health accessible and convenient.

Specifications

ASIN	B0BJZF13Q8
Best Sellers Rank	#204,304 in Sporting Goods ( See Top 100 in Sporting Goods ) #1,533 in Strength Training Grip Strengtheners
Brand Name	Generic
Color	blue
Controls Type	Remote
Customer Reviews	4.0 4.0 out of 5 stars (1)
Display	LCD
Handle Type	Handheld
Included Components	plastic holder and steel balls
Item Weight	0.13 Kilograms
Manufacturer	Generic
Manufacturer Part Number	!GY22010
Material Type	Stainless Steel
Number of Resistance Levels	3
Operation Mode	Manual
Power Source	Corded Electric
Software Update Supported to Date	unknown
UPC	739722647056
Unit Count	1.00 Count
Warranty Description	Manufacturer warranty for 65 days from date of purchase

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