How to measure Airsuctionvents:
Please note the following items:
Is the airsuctionvent rectangular or circular ended?
Is the opening lid aluminium framed?
What is the outside dimension?
Installation should be on a flat surface with a tolerance of max. 1 mm
The cutout size is 24 mm less than the overall size. From the cutout size you can see in the productdatabase which rainshield or mosquito screen fits into which airsuctionvent.