Bug Barrier Window Vent for Sprinter, Transit & ProMaster Vans

Product Description Crack a window for airflow without turning your van into an open invitation for bugs. The Terrawagen Bug Barrier Window Vent drops into your front window channel and gives you a clean, secure way to vent the cabin while keeping insects out. Each vent is built from durable ABS plastic and includes a built-in screen on every opening, so you get real cross-flow air without the “camping with the windows down” consequences. It’s designed to fit snug and drive-ready, helping reduce wind noise compared to improvised solutions. Installation is quick: roll the window down, slide the vent into place, then roll the window back up to lock it in. Sold as a pair with one driver side and one passenger side vent for balanced airflow. US Patent No: US 11,858,317 B2 Vehicle Compatibility Mercedes Sprinter Model Fits Notes Mercedes Sprinter (2007–2026+) ✓ Yes Installs in front window channel (driver or passenger) Ford Transit Model Fits Notes Transit 150 / 250 / 350 (2015–2025+) ✓ Yes Cargo and passenger vans only Transit Connect / Custom / Courier ✕ No Different window profile Ram ProMaster Platform Model Fits Notes Ram ProMaster (2006+) ✓ Yes Also fits global equivalents Fiat Ducato / Peugeot Boxer / Citroën Jumper (2007+) ✓ Yes Shared ProMaster platform ProMaster City ✕ No Different window geometry What's in the box? Driver Side Bug Barrier Passenger Side Bug Barrier (Optional Carrying Bag) Complimentary Sticker Jelly Beans Materials Smooth paintable ABS plastic Specifications / Measurements Vehicle Overall Size Taper Sprinter 22 in. x 10 ⅝ in. x ¾ in. 10 ⅝ in. to 10 in. Transit 17 ¼ in. x 9 ½ in. x ¾ in. 9 ⅛ in. to 8 ⅞ in. Ram ProMaster 17 in. x 9 in. x ¾ in. 9 ¼ in. to 8 ⅞ in. Manufacturing Variations This product is thermoformed from a larger plastic sheet and trimmed by hand. As a result, minor variations in cut lines, edges, corners, texture, and trim points are normal and may differ between individual pieces. These cosmetic variations do not affect the product’s fitment, strength, sealing, or functionality and are not considered manufacturing defects. Installation Video / Instructions Installation PDF