Help CenterSometimes we hesitate to open our windows because fresh air isn't the only thing that can get in through them. For this reason, all of VELUX's ventilating units come with an insect screen so you can bring fresh air in while keeping unwanted visitors out.
To ensure that you receive the correct screen for your window, please obtain the serial number from your unit. If you have any further questions regarding your screen or installing it, please contact customer service at 1-800-888-3589.