Product Name: Roll-Shape Transparent PE Plastic Film Air Duct for Greenhouse Certification: CE Performance: Cost Effrnciency Shape: Round Application: Ventilation Usage: Marine, for Air Conditioner, Industrial, for Environment Protection Material: Plastic Length: 100meters/Roll Color: Semi-Transparent Trademark: Super Transport Package: Neutral Carton Packing Specification: 200mm-700mm Origin: China HS Code: 841490 Product Description Roll-Shape Transparent PE Plastic Film Air Duct for GreenhouseMaterialSeamless roll shapeHeavy duty translucent PE materialFeaturesHeavy duty, water proof, durableSeamless structure makes no air leakageSizesComes in different diameters from 160mm-700mmComes in different thickness, stocking thickness is 0.2-0.25mmStandard length is 100m or 150m per rollCustom sizes are available upon requestsAdvantagesLow cost and convenientAny required length can be cut, can roll it back easily after operatingGood for long distance air supplyDisadvantagesCan't be used under negative pressure conditionWill cause more win resistance for turning cornerApplicationsFor all confined spaces air supply and deliveryConstruction, ship building, warehouse, factoryCan make some holes along the duct and suspend on the wall for evenly air distributionThus, it can be used for tents, greenhouse…Plastic Film air duct, thickness 0.25mm, 150m/RollDiaWeightPacking diaHeight8"22kg220mm320mm10"28kg250mm400mm12"33.5kg280mm480mm14"38kg310mm550mm16"44kg340mm640mm20"55kg360mm800mm