Designed specifically for ZERO BREEZE portable air conditioners, this sailboat window venting kit significantly improves cabin cooling efficiency. Two versatile installation options: AC inside the cabin — The kit channels hot air from the rear air duct directly outside AC on deck — The kit redirects cool air from the front air duct into the cabin Built for protection and insulation: UV-resistant outer layer for long-lasting durability Foamed TPU hollow-core inner lining effectively blocks heat and cold air exchange Superior thermal insulation keeps cool air where it belongs — inside your cabin Stay cooler. Stay longer. On board. Dimensions: 580.0mm (L) × 580.0mm (W) × 75.0mm (Thickness) 20mm thick thermal insulation TPU panel Compatible Dimensions Window opening size range: 40cm × 20cm ~ 58cm × 58cm Window channel thickness requirement: = 20mm Product Highlights ? Cut-to-Fit Customization The kit includes a pre-drilled dual-hole composite insulation panel that can be freely cut and shaped to match any window contour — ensuring a perfect, custom fit every time. ? Secure Locking Design Four window-lock clips are included to securely fasten the insulation panel in place — no slipping, even on the move. Versatile Application Beyond sailboats, this venting kit also works in any vehicle or space with a compatible roof window: Sedans / SUVs & 4x4s / Custom vans / RVs / Small cabins / Boats of various types