Fast, Free & Discreet Shipping Home Shop About FAQ Contact Quality Customer Service 4" 6" 8"Inch Duct Booster Inline Blower Fan Product Details Digital Grow Booster Fan:Light weight and easy to install1 year warrantyFluted on both ends to receive ductingMetal Blade ( Not Plastics) 4" Booster Fan Spec:Duct Fan 4" Specs Air Flow - 100 CFM Duct Size: 4" ; Decibels - 27 (+/- 1.5) Duct Fan 4" Specs Material - Metal Fan energy efficient, Power - 15 W ; Input Voltage - AC 110v/60Hz 5ft 8" length of wire cord 6" Booster Fan Spec:Duct Fan 6" Specs Air Flow - 240 CFM Duct Size - 6"; Decibels - 28 (+/- 1.5) Duct Fan 6" Specs Material - Metal Fan energy efficient, Power - 37 W ; Input Voltage - AC 110v/60Hz 5ft 8" length of wire cord 8" Booster Fan Spec:Duct Fan 8" Spec Air Flow - 420 CFM Duct Size - 8": Decibels - 30 (+/- 1.5) Duct Fan 8" Specs Material - Metal Fan energy efficient, Power - 45 W ; Input Voltage - AC 110v/60Hz 4ft 5" length of wire cord Fast, Free & Discreet Shipping Quality Customer Service Store Categories 1000W BUNDLE KIT 315W/630W CMH System/LIGHT 400W BUNDLE KIT 600W BUNDLE KIT ACCESSORIES DIGITAL BALLAST DOUBLE ENDED REFLECTOR & SYSTM GROWING MEDIA Other REFLECTORS SAFE GROW T5 FIXTURES Store Newsletter Add Digital Grow to your Favorites and receive our e-mail newsletters about new items and special promotions. Sign Up Best Prices Warranty Home Shop About FAQ Contact Copyright © 2017 Digital Grow. All rights reserved.