Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.
Storm protection for air flow regulation with strong or gusty winds, DN 100
Extension kit for ALD 125, comprising 500 mm long wall sleeve and 390 mm long sound-insulated duct.
Extension kit for ALD 160, comprising 500 mm long wall sleeve and 390 mm long sound-insulated duct.
Supply air channel for installation of outside air opening ZE 45 F in PVC window frames
* Blue markings show the differences between the products.