News  
Auto vent opener
 

1  Open temperature adjustable from 15℃ to 23℃ ( 59℉ to 73℉ ).

2  Fully open temperature 33°C (91°F) or above.

3  Lift vent weight up to 15lbs ( 7kgs ).

4  Rotate the cylinder clockwise to lower the open temperature or anticlockwise to increase open temperature.                                                                                                

5  No  battery or electricity required. 

6. With two SS springs.



                   


 

1 P
         
Copyright 2006-2007 Gracedresses Industrial Ltd . All Rights Reserved