Product Description "Tube fans of DVC series have been designed for the use in the spherical plenum and exhaust general purpose systems, industrial installations and civil construction, as well as to evacuate non-aggressive gas or air with the temperature not higher than +70C and not less than 30 C with dust content not exceeding 100mg/m without adhesive and fibrous materials, solid particles. Price of product ( USD price or FOB price) : USD 24 - USD 50 per pc Product origin : Russia - China Key Specifications/Special Features : "Advantages A sturdy case made of carbon steel. A high quality Motor-wheel with an IP 44 motor. An impeller with backward curved blades. Low vibration an electric motor is balanced with an impeller. Speed may be adjusted between 0 - 100% with thyristor or triac controllers. Motor and ball bearings do not need maintenance. An in-built temperature switch with automatic re-start. A mount bracket is included. Guaranteed service life 24 months. Airflow capacity 280 m3/hour Peak static pressure 300 Pa Operating current 0.27 A Power consumption 0.067 kW Acoustic power level (max) 50dB(A) Rotation frequency, 2650 rpmWeight kg, 3 Minimum Order Size and Packgaing details : Packing- 1 pc carton box, 10 Minimum Order Quantity