Hon&Guan P4 Quiet 4 Inch Inline Duct Fan, Upgrade Motor & Low Noise Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics;

HF-100P Parameters
- Double Speed: Low/High
- Voltage: 110-120 V
- Frequency: 60 Hz
- Power: 28/30 W
- Speed: 1850/2200 (RPM)
- Air Volume: 165-198 m³/h
- Air Pressure: 131/156 Pa
- Noise: 26/31 dB
- Life: Over 50000 Hours
- Weight: 1.5 KG
- Current (Amps): 0.22/0.24
- Electric Current Type: AC
- Blade Material: ABS Plastic
- Item Dimensions: 12*7*7.4 Inch
- Diameter: 4 Inch

Application
HF Mixed Flow Fan can be used for exhaust and supply ventilation systems that require high pressure, powerful airflow and low noise levels. With a range Applications of sizes that include 100mm, 125mm, 150mm, 200mm, 250mm and 315mm HF fan can be used with rigid and flexible ducting. The HF Mixed Flow Fan are the ideal solution for air exhaust systems for rooms with high humidity such as bathrooms and kitchen, as well as ventilation for apartments, house, shops, cafes, restaurant, cinemas etc.

Design
The motor is attached to the body of the fan by two quick release clips which enables the motor to rotate to provide connection for confined spaces and removal for maintenance without removing the whole fan or duct. All models have an option of standard which has a two speed motor or overrun timer option variable range of 1 to 30 minutes.

Motor
The single phase ball bearing motor has two speeds and is equipped with standard thermal overload protection (STOP) with automatic restart. Motor protection rating IP44 and are fully speed controllable.

Mounting
The fan can be mounted in line or at either and of the duct run and at any angle. Horizontally or vertically. All fans can be mounted in parallel to increase the volume of air or in series to increase the pressure. The casing is fitted with a mounting plate. The mounting box can be rotated to be installed in any positon for easy installation and connection.