 | | May be used as the air intake and discharge point where the fan is mounted remotely. | MRV1, MRV2 and sizes 1 to 4 - Base and cowl are made of
UV-stabilised plastic. |
 | | Used as the discharge point where the fan is mounted
elsewhere in the system yet vertical discharge exhaust is required. | Sizes 1 to 4 - Bases are made of UV-stabilised plastic with a fibreglass windband. |
 | | Weather proof cowls for fresh air intake or to control relief air flow and the pressure within buildings to meet the requirements of the installation. | Galvanised metal finish. |
 | | Used as the discharge point where the fan is mounted elsewhere in the system yet vertical discharge exhaust is required. | Backdraft shutters:
Sizes 40 to 80 - Made from aluminium. |
 | | Used as the discharge point where the fan is mounted elsewhere
in the system yet vertical discharge exhaust is required. | Backdraft shutters: Sizes 31 to 80 - Made from aluminium. |
 | | | Cowls are of galvanised steel
Ember protection - bronze mesh with max. |
| | | Cowls are of galvanised steel
Ember protection - bronze mesh with max. |
 | | To control relief air and the pressure within buildings in bushfire prone areas. | Cowls are of galvanised steel. |
