The brackets are designed to be strong and do not have lots of holes in so cold air is drawn into the fan just like a factory system. This kit uses a factory style Thermostat switch activates at a set temperature and turns off at a set temperature, this set temperature cannot be adjusted. This kit uses the RDX hose adapter.The RDX Hose Adapter must be fitted into the Top hose where the coolant will be at its highest temperature that can be measured. 14 Fan (not overall size) 12 volt. RDX Thermostat Switch Adapter consists of: HELLA Thermo switch fitted to 38mm Hose adapter Thermostat Switch activates at. And turn off at 87. There are 2 terminals on the HELLA Thermo Switch one for earth and the'Activate' earth switch output (can be wired either way round). We recommend you turn fans off when wadding through water. Airflow: Pull means pull air through radiator Size (Overall): Width 358mm (14 1/4") Height 378mm (15") Depth 85mm (3 1/2). Suggested application Primary fan for Engines over 2000cc. This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Engine Cooling Components\Other Engine Cooling Components". The seller is "boltonbits" and is located in this country: GB. This item can be shipped to United Kingdom.