It can improve air ventilation for those swiftlet houses which have high humidity and stagnant ventilation.
The small size blower is enhancing the ventilation without affecting the aerodynamic of swiftlet flight.
No need drill/hack new holes for wall. Just use existing 4" Ventilation Hole to install
Suitable for 4" PVC Elbow
Specifications:-
️Outline Dimension: 120 x 120 x 38mm
️Rating voltage: AC220V
️Voltage range: AC180V-240V
️Starting voltage: 180V (On/Off)
️Rating current: 0.14A
️Power consumption: 30.8W
️Speed: 2600R.P.M. +- 10%
️Air flow: 95 CFM
️Static pressure: 6.3mmH2O
️Noise level: 44 dBA
️Life expectancy: 20000 Hours at 25°C/65%
️No. of polar: Shaded Pole
️Rotating Direction: Counter-clockwise from blade
Tips on installation:-
How to fit 4inches ventilation fan perfectly into grey pipe connector.
1. Use cloth tape to encircle around the connector part (Pipe Casing) of the 4" fan (about 2 rounds)
2. Fit the 4" fan into grey elbow connector perfectly and the fan will not drop from elbow!