Suggested Retail:$135. VIVOSUN 6 Inch 440 CFM Inline Fan with Speed Controller, 6 Inch Carbon Filter and 8 Feet of Ducting Combo for Grow Tent Ventilation. Don't waste time buying and returning parts that may or may not be compatible or safe to use together! Three-part system includes every part you need to get set up. Heavy hitting blower with a fan speed of 2450 RPM; Puts out only 50 dB noise level. Moves air through your target location efficiently for optimal ventilation. 1050+ RC 48 Australian Virgin Charcoal Bed. Dimensions: 6'' x 18''. The carbon filter eliminates some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room. 2 Stainless Clamps: Strong, flexible steel wire supports heavy duty triple layer duct walls.PET core is sandwiched in layers of fire-retardant aluminum that can handle temperatures from -22 to 266 Fahrenheit.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.