Click to expand Tap to zoom Havis 2003-2021 Chevrolet G-Series Prisoner Transport Vent Adaptor Kit Option by Havis $682.40 | / SKU PT-A-501 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Features Specifications Features Prisoner transport option Chevrolet van vent adapter kit connects to OEM rear A/C blower Estimated install time: 1 hour Specifications Gross Weight: �18.00 lbs Abbreviated Product Description: PT, OPT, VENTKT, GSRS, 03-21, SP, Download any of the following documents for additional product information: Installation Instructions (PDF) Product Brochure (PDF) Sales Page for Havis Prisoner Transport Solutions