Lighthouse Hydro Duct Muffler Inline Fan Hydroponics Noise Reducer Silencer, 6-Inch
Price 64.95 USD
Features two 6" flanges, Comes pre-assembled * Features Open Cell Convoluted (egg crate) foam, Maintenance free design * Reduces noise levels by up to 25 decibels, Excellent sound and vibration absorption * Dimensions: 22" L x 9" W