**Features:**
- Constructed as a small "nose-like" device, featuring thin filter paper, which effectively prevents particles, bacteria, and other pathogens from entering the respiratory system
- Functions as an efficient heat and moisture exchanger to warm and humidify inspired air
- Comes designed with a port and sputum suction port for ease of use
- Lightweight and transparent with low breathing resistance to enhance comfort
- Equipped with a 15mm standard connection for effortless attachment to tracheostomy tubes
- Suitable for all ages, including adults, children, and infants

**Specifications:**
- Type: Garden Tool Parts
- Origin: Mainland China
- Style: L Type, BY4 Type
- Size: As shown
- Quantity: 1 Piece

**Package Included:**
- 1x Disposable Breathing Filter

**Warnings and Advice:**
- Please do not use if the inside package is damaged.
- Though outside cartons may appear deformed, this does not affect the integrity of the product.
- Ensure that the inside paper-plastic bag is intact, as it is soft yet strong enough for protection.
- If there are any breaks or holes in the inside package, please refrain from usage.

Please note that the actual colour of the item may vary slightly from the images shown due to monitor brightness and lighting conditions. Slight manual measurement deviations may occur; your understanding is appreciated.