Some of these Airvents will be on backorder, OverLand Window Screens are an alternative and are shipping today:
Manufacturer Origin: Germany
Compatibility: Available for all Mercedes Benz Sprinter Vans, RAM ProMaster Vans, and Ford Transit Vans
Placement: Fits in both the driver side and passenger side cab windows
Color: Black powder-coated finish
Roll down the window, place the Airvent in the window track and roll up the window.
Netting behind louvers keeps out insects. Very secure. Can't be removed from the outside.
What is included:
2 piece set - both driver and passenger Airvents are included.