Photo 1 of MELONFARM Air Filtration Kit 4", Built-in 14cm Fan Low Nois Carbon Filter with 12-Speed Controller, 8' Ducting & 6" Vent Cover, Cooling & Ventilation System for Grow Tents, Indoor Gardening

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Photo 1 of MELONFARM Air Filtration Kit 4", Built-in 14cm Fan Low Nois Carbon Filter with 12-Speed Controller, 8' Ducting & 6" Vent Cover, Cooling & Ventilation System for Grow Tents, Indoor GardeningPhoto 2 of MELONFARM Air Filtration Kit 4", Built-in 14cm Fan Low Nois Carbon Filter with 12-Speed Controller, 8' Ducting & 6" Vent Cover, Cooling & Ventilation System for Grow Tents, Indoor Gardening