4-inch duct 5 meters 3 layers

.. General product information .. Country of origin: China Product certificate: Product warranty: Years .. Product dimensions .. 4 inches - 5 meters .. 3 layers .. Product specifications .. Rated power: W Luminous flux: Lm Light color: K Color rendering effect: Ra Water resistance (IP): IP Life time: H Switching cycles: X Input voltage: V AC Frequency: Hz .. Product description .. 4-inch duct 5 meters 3 layers