It also have a good resistance of acid and alkali. x Duct Connector. Internal design reduces wind resistance. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
X Duct Connector. Internal design reduces wind resistance. A design with thinner top and thicker bottom can make this vent much convenient to connect. It also have a good resistance of acid and alkali.
eBay
【Easy to Install】No drilling or cutting is required. You can easily install this Diesel Heater Ducting Connector on the duct. 6X Air Outlet Vents. The connection joint is tight to prevent any air leakage.
eBay
18"x20" Carlisle connector plus flexible duct connector extended length is 7 inches collapsed length is 3.75 inches. If needed, it includes a 1/2 flange, drive ears, or raw edge at no extra charge. Please include a description of what you need in the notes section. Includes slips and drive cleats where needed. Completely assembled and ready for installation.
eBay
X Duct Connector. A design with thinner top and thicker bottom can make this vent much convenient to connect. Internal design reduces wind resistance. Material: ABS Plastic. It also have a good resistance of acid and alkali.
eBay
4" (100mm) GRAVITY WALL GRILLE - BROWN. Experience the Difference.
eBay
MULTIPURPOSE - Duct flanges are suitable for heating cooling ventilation HVAC systems, and are widely used in air ventilation systems in homes, kitchens, bathrooms, garages, and factories. WHAT YOU GET - The package comes with 2 x Duct Connector Flange that Outer Diameter of Top Interface: 138 mm / 5.43 inch; Outer Diameter of Bottom Interface: 148 mm / 5.83 inch; Fit for Ducting Hose with Inner Diameter: 150mm / 6 Inch; Overall Dimensions: 180 x 180 x 70 mm / 7.09 x 7.09 x 2.76 inch (L*W*H); Diagonal Mounting Hole Distance: 180 mm / 7.09 inch; Adjacent Mounting Holes Distance: 128 mm / 5.03 inch. RELIABLE MATERIAL - Made of ABS Plastic, which has good corrosion resistance, temperature resistance and durability.
eBay
【Easy to Install】No drilling or cutting is required. You can easily install this Diesel Heater Ducting Connector on the duct. The connection joint is tight to prevent any air leakage. 【Wide Compatibility】This connector can be widely used for Eberspaecher and other models of Diesel Heater.
eBay