"Rustaq" brand provides a complete range of products for ventilation which includes fan in circular shape, in square shape and in tubular shape in order to meet all requirements of all customers.

Following is the main range of "Rustaq" Ventilating fans.

• Round Ventilating Fans
• Square Ventilating Fans
• Tubular Ventilating Fans (Ceiling Type)

1. High glossy PP (Poly Propylene) plastic material.
2. Solid anti high temperature lubricant for motor.
3. High quality silicon steel material condenser ball bearing motors.
4. Thermal fuse cutoff protection in motor.
5. High speed, quiet operation to give high air flow.
6. Easy installation and no maintenance.
7. Thousand hours continuous operation guarantee.
8. Rear body and shutters.
9. Centrifugal switch for stopping fan when shutters are closed.

  Selection of Ventilating Fans

Step 1: Calculate Room Size in Cubic Meter (Length x Width x Height)
Step 2: For Air Changes Per Hour (ACH) follow the standard ratings* (Value of X)
Step 3: Multiply the room size with X. (X= no. of required air changes per hour)
(i.e. Room Size x X)
Result = (length x width x height) x X CBM/h

Using Result Follow the following table to select products:

S/No.	Result Value (CBM/h)	Product Selection**
1	Less than 260	1 x 15RVR or 3 x 20RCV etc...
2	Less than 480	1 x 20RVR or 1 x 15RVS etc...
3	More than 480 less than 550	1 x 20RVS or 2 x 15RVR etc...
** according to fan's CBM/h rating.

*Values of X are generally taken as:
Bathroom:	8 Air Changes per Hour
Kitchens:	15 Air Changes per Hour
Other Room:	6 Air Changes per Hour