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- Ideal-Air Supreme Silver/Black DuctingOut of stock
- Hydrofarm Duct CouplersOut of stock
- Common Culture 4 in x 25 ft Black Lightproof Ducting w/ClampsSpecial Price $13.20 Regular Price $14.67
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4 Inch Ducting and Ventilation for your grow room air movement. This 4" metalized ducting can help air cool your indoor growing environment. Be sure to get duct clamps to attach your ducting to fans, reflectors, and flanges.