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The cord class that is called "SJEOW" in the US is officially called "SJTOW (TPE)" in Canada
You can also select ambient airflow which you want to maintain at all times
It translates into only $470 annual cost of 24/7 operation at max speed using $0
TPE has a high-flex rating
This Flexible Aluminum Air Duct is designed for use with 4" inline fans for a wide range of household and horticultural applications
TerraBloom 4" Air Duct - 8 FT Long, Black Flexible Ducting with 2 Clamps 12.2" The cord class that is4" LIGHTPROOF DUCTING: We made this aluminum duct with your Grow Room needs in mind. Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 4" in diameter 4 LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape
US$ 15.44
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