DEC

DEC Wall Connection Round – Quadrodec Type, Galvanised Steel, Nipple/Nipple, Ø 125 mm / Ø 160 mmThe DEC Wall Connection Quadrodec Type made of high-quality galvanised steel is the ideal solution for the clean and secure connection of round ducts to wall penetrations. It enables a tight connection between the ventilation duct and the wall opening and ensures reliable air guidance in supply and exhaust air systems.Thanks to the nipple/nipple connection design, the wall connection can be quickly and precisely integrated into existing round duct systems. The robust construction guarantees a durable and stable installation, suitable for both private and commercial use.Advantages of the DEC Wall Connection QuadrodecClean wall connection – ideal link between duct system and wall penetrationNipple/nipple connection – simple and secure installationGalvanised steel – corrosion-resistant, durable and stableHigh precision fit – optimal integration into round duct systemsReliable air guidance – minimises leaks and pressure lossesVersatile use – suitable for supply and exhaust airTechnical VariantsØ 125 mmØ 160 mmTypical Areas of ApplicationWall penetrations for extractor hoodsExhaust air systems in kitchens, bathrooms and commercial premisesCentral and decentralised ventilation systemsTransition from ductwork to external wall or shaftThe DEC Wall Connection Round Quadrodec Type made of galvanised steel ensures a professional, tight and durable connection at wall penetrations and is an indispensable component for any reliable ventilation installation.

DEC flexible round duct made of aluminium – Quadrodec flexible duct type, Ø 125 / 160 mm, 0.5 m & 1.0 mThe DEC flexible round duct type Quadrodec made of high-quality aluminium is the ideal solution for flexible air guidance in ventilation and exhaust systems. Thanks to its bendable structure, the flexible duct can be easily adapted to structural conditions and is particularly suitable for challenging installation situations or retrofitting.Whether for extractor hoods, ventilation systems or general exhaust systems – the flexible round duct enables a quick and efficient connection between components, even with offsets or changes in direction.Advantages of the DEC flexible round duct QuadrodecHigh flexibility – ideal for tight spaces and complex duct routesEasy installation – quickly mounted without elaborate moulded partsLightweight material – aluminium ensures low weight and easy handlingCorrosion-resistant – durable and reliable in useVersatile application – suitable for supply and exhaust air systemsCompatible – fits common round duct systemsTechnical variantsØ 125 mm, length 0.5 mØ 125 mm, length 1.0 mØ 160 mm, length 0.5 mØ 160 mm, length 1.0 mTypical areas of applicationExtractor hoods and kitchen exhaustCentral and decentralised ventilation systemsSupply and exhaust air ductsRenovation and retrofitting of ventilation systemsThe DEC flexible round duct Quadrodec made of aluminium is the perfect choice for all applications where flexibility, easy installation and reliable air guidance are required. Ideal for modern ventilation solutions with individual requirements.

DEC flexible flat duct made of galvanized steel – Quadrodec rectangular type, for extractor hoods, downdraft & kitchen islandsThe DEC flexible flat duct Quadrodec type made of high-quality galvanized steel is the ideal solution for space-saving and flexible air guidance in modern kitchens. Specifically designed for use with extractor hoods, downdraft extraction systems, and kitchen islands, this rectangular ventilation duct allows easy adaptation to structural conditions – even with complex layouts.A key advantage is its suitability for installation in screed. Due to its flat design, the duct can be integrated directly into the floor structure, providing an invisible exhaust air routing, ideal for open kitchens and kitchen islands.The flexible construction allows directional adjustments without additional fittings. Additionally, the duct can be extended up to 1.5 times its original length, which significantly simplifies installation and allows on-site adjustments. The galvanized steel ensures high stability, corrosion protection, and long-lasting air guidance.Advantages of the DEC flexible flat duct QuadrodecFlexibly adaptable – ideal for challenging installation situationsExtendable – up to 1.5 times the length for maximum adaptabilityScreed-compatible – perfect for installation within the floor structureSpace-saving design – optimal for shallow installationsGalvanized steel – robust, shape-stable, and corrosion-protectedHigh tightness – complies with tightness class DEfficient air guidance – reliable removal of cooking fumes and odoursReduced installation effort – fewer fittings requiredTechnical variants220 x 55 mm, length 0.5 m (extendable up to approx. 0.75 m)250 x 80 mm, length 0.5 m (extendable up to approx. 0.75 m)220 x 55 mm, length 1 m (extendable up to approx. 1.5 m)250 x 80 mm, length 1 m (extendable up to approx. 1.5 m)Typical areas of applicationExtractor hoods and downdraft systemsKitchen islands with screed installationKitchen ventilation in residential and commercial buildingsSpace-critical exhaust air installationsThe DEC flexible flat duct Quadrodec rectangular made of galvanized steel is the optimal choice for modern ventilation concepts where flexibility, tightness, and invisible integration in screed are crucial.

DEC flexible flat duct made of aluminium – Quadrodec rectangular type, for extractor hoods, downdraft & kitchen islandsThe DEC flexible flat duct Quadrodec type made of high-quality aluminium is the ideal solution for space-saving and flexible air guidance in modern kitchens. Specifically designed for use with extractor hoods, downdraft extraction systems and kitchen islands, this rectangular ventilation duct allows easy adaptation to structural conditions – even with complex layouts.A key advantage is its suitability for installation in screed. Due to its flat design, the duct can be integrated directly into the floor structure, providing an invisible exhaust air routing, ideal for open kitchens and kitchen islands.The flexible construction allows directional adjustments without additional fittings. Additionally, the duct can be stretched to up to 1.5 times its original length, which significantly simplifies installation and allows on-site adjustments. The lightweight, corrosion-resistant aluminium ensures durability and secure air guidance.Advantages of the DEC flexible flat duct QuadrodecFlexibly adaptable – ideal for challenging installation situationsExtendable – up to 1.5 times the length for maximum adaptabilityScreed-compatible – perfect for installation within floor structuresSpace-saving design – optimal for shallow installationsAluminium construction – lightweight, corrosion-resistant and durableHigh tightness – complies with tightness class DEfficient air guidance – reliable removal of cooking fumes and odoursReduced installation effort – fewer fittings requiredTechnical variants220 x 55 mm, length 0.5 m (extendable to approx. 0.75 m)250 x 80 mm, length 0.5 m (extendable to approx. 0.75 m)220 x 55 mm, length 1 m (extendable to approx. 1.5 m)250 x 80 mm, length 1 m (extendable to approx. 1.5 m)Typical areas of applicationExtractor hoods and downdraft systemsKitchen islands with screed installationKitchen ventilation in residential and commercial buildingsSpace-critical exhaust air installationsThe DEC flexible flat duct Quadrodec rectangular made of aluminium is the optimal choice for modern ventilation concepts where flexibility, tightness and invisible integration in screed are crucial.

DEC rigid flat duct made of sheet steel – Quadrodec rectangular type, for extractor hoods & downdraft systemsThe DEC flat duct type Quadrodec made of robust sheet steel is the ideal solution for efficient air guidance in modern kitchens. Specifically designed for use with extractor hoods, downdraft extraction systems and kitchen islands, this rectangular ventilation duct impresses with its compact design and high stability.A key advantage of this system is its suitability for installation in screed. Thanks to the flat geometry, the duct can be integrated directly into the floor structure – ideal for invisible exhaust air routing in kitchen islands or open kitchen concepts. This allows modern kitchen solutions to be realised without compromising on design or function.Thanks to the sturdy construction from galvanised sheet steel, the duct is pressure-resistant and durable, making it particularly suitable for use in screed. At the same time, the well-thought-out shape ensures efficient removal of cooking fumes and odours.Advantages of the DEC flat duct QuadrodecScreed-compatible – ideal for installation in the floor structure for invisible exhaust air solutionsSpace-saving design – perfect for shallow installations in kitchen islands and downdraft systemsRobust sheet steel – durable, dimensionally stable and corrosion-resistantOptimal air guidance – low flow resistance for high efficiencyVersatile use – suitable for extractor hoods and ventilation systemsEasy integration – compatible with common flat duct systemsTechnical variants220 x 55 mm, length 0.5 m250 x 80 mm, length 0.5 m220 x 55 mm, length 1 m250 x 80 mm, length 1 mTypical areas of applicationKitchen ventilation for extractor hoodsDowndraft systems in kitchen islandsExhaust air routing in screed for invisible installationsResidential and commercial kitchensSpace-critical ventilation solutionsThe DEC flat duct Quadrodec rectangular is the optimal choice for modern ventilation concepts where performance, durability and invisible integration in screed are paramount.