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The dial uses yellow (0~300mmHg), green (300~550mmHg), and red (550~760mmHg) to color-code low, medium, and high negative pressure zones.
When the adjustment knob is turned clockwise, the negative pressure increases; when turned counterclockwise, the negative pressure decreases.
The suction unit connects to the suction bottle via corresponding standard plugs for easy detachment.
It features three working mode settings: FULL (fully open), REG (pressure adjustment), and OFF (shutdown).
The housing is made of high-strength, high-quality ABS shock-resistant material; it is cleanable and disinfectable, durable.
Features:
1. Primarily used for children and critically ill patients.
2. Negative pressure gauge with 360° rotation capability.
3. Continuously adjustable negative pressure value.
4. Safety bottle with anti-suction function to prevent backflow.