High-impact-resistant Quantum† hardcoated polycarbonate full windshield. Optimal performance with full cab enclosure. Controllable vents to manage air flow. Channels air into the cabin, defogs windshield, fully closes to eliminate air flow. 2 lower vents and one upper vent (pre-filter installed). Provides excellent optical clarity and better abrasion resistance. Protects driver and passenger from the elements. Quick and easy tool-less installation or removal. Not compatible with wiper kits. Defender