The integrated backdraft damper prevents air leakage when the fan is not in operation.
													
																	Vortex s line ultra quiet duct inline fan. 
									
	
		
	
																	The new vortex powerfan s line ultra quiet fans are here. 
																	Vortex 347 cfm s line s 600 fan 6 check price on amazon. 
																	Fan and motor must have permanently lubricated sealed bearings double insulated wall rubber gasket for duct connection. 
																	The s series are ultra quiet low profile mixed flow fans. 
															
													
									
	
		
	
																	Energy efficiency is a key feature to look for when it comes to choosing a quiet inline fan and this one from vortex is just that. 
																	Furthermore the v series fans operate at lower rpm 1500 to 1700 making them even quieter. 
																	They feature plastic construction with a double insulated wall to prevent condensation and reduce noise level. 
																	Atmosphere s vortex powerfans v series combine high performance and quiet operation. 
															
													
									
	
		
	
																	The new vortex powerfan s line ultra quiet fans are here. 
																	To find out what separates the s line from other fans you have to get inside it. 
																	The motor is 1oo speed controllable highly efficient low power. 
																	Vortex s line ultra quiet in line duct blower fan s 800 8 120v 728 cfm the s line is a revolutionary series of fans that combine energy efficiency ultra quite operations and a collection of advanced technologies that deliver unparalleled performances. 
															
													
									
	
		
	
																	6 silent inline duct fan 26w 188 cfm. 
																	Introducing the quietest inline duct fan on the market the vortex s line is completely different from the competition and specifically designed for the indoor grower. 
																	These compact powerful and quiet fans are available in 6 in 8 in. 
																	These fans are equipped with a mixed flow impeller allowing more air volume than any other comparable impeller design. 
															
													
									
	
		
	
																	Internal impeller for cooler motor operation. 
																	Introducing the quietest inline duct fan on the market the vortex s line is completely different from the competition and specifically designed for the indoor grower. 
																	Duct diameters and are ideally suited for either supply or exhaust ventilation systems. 
																	All s line products incorporate motors suitable for 120 volts ac 60hz electrical supply only. 
															
													
									
	
		
	
																	Mixed flow impeller design for quiet operation and high air flow. 
																	Vortex 347 cfm s line s 600 fan 6 s line fan the inline ventilation fan shall have an externally mounted 120vac 60hz motor with automatic reset thermal reset overload protection. 
																	These fans are available in configurations from. 
																	Vortex powerfans s series ultra quiet inline fan. 
															
													
									
	
		
	
																	S line mixed flow fans are designed for residential and light commercial ventilation applications.