Here it boys the solution to the problem. These guys have a standardized window insert for stealth window venting. They also do custom designs. Contact them through their website at
www.evolvecannabis.ca I picked one up and couldn't be happier.
From their website:
Introducing the first of our line of growing products for small scale home cultivation:
Our patent pending plug and play intake and exhaust ventilation insert for sliding windows:
- Polystyrene core with R rating of 7;
- Air intake port with filter media and coarse grill cover (to keep out pests);
- Air exhaust port with coarse grill cover to (keep out pests);
- 4" ducting connectors;
- Durable vinyl all weather wrap; and
-With integrated formable sides to ensure proper seal with window.
The piece is 3 feet long designed to fit any domestic sliding window. Upon receipt of product customer will cut the piece to fit their specific window size and slide into place.
We also do custom orders to fit your specific situation! Contact us to discuss your needs!