Please contact us for the best price and delivery time of Rittal DK 7338.130 DK Pipe kit, Non-adhesive plug-in system, For active air intake, For connecting to DET-AC III and EFD, Diameter of plastic pipe: 18 mm internal,. We will submit your offer to you as soon as possible. You can contact us within the DK 7338.130 coded product or any product belonging to the Rittal brand.