Portable Air conditioner Window Vent Seal Kit with Universal Coupler Fit for 5.1"/5.9" Exhaust Hose, Mobile A/C Unit Window Vent Kit with 4 Vent Seal Plates for Vertical/Horizontal Sliding Window

About this item

• 2026 Enhanced Design: A reinforced end support has been integrated into the panel structure to ensure greater installation stability and structural integrity. This feature is optional—panels may be installed directly into the window frame rail where additional support is not required.
• Seamless Track System: The redesigned continuous slide rail eliminates lateral gaps between adjacent panels. Panels interlock via precision-engineered embedded grooves, ensuring perfect alignment along both edges and smooth integration into the window track. This seamless fit enhances airtightness, improves indoor thermal comfort, reduces cooling load, and contributes to energy efficiency. (Note: Hose not included.)
• Universal 4-in-1 Coupler: This AC window exhaust seal kit comes with a universal 4-in-1 coupler. The inner buckle fits 5.1-inch ventilation hoses (installable in either clockwise or counterclockwise rotation), while the outer buckle is compatible with 5.9-inch exhaust hoses (also supports clockwise or counterclockwise installation). Friendly reminder: Please confirm your exhaust hose size before purchasing.
• Premium Thickened PVC Panels: Constructed from high-density, UV-stabilized PVC, the panels offer superior resistance to wear, compression, and thermal deformation. They withstand prolonged exposure to hot exhaust airflow and direct summer sunlight without warping, cracking, or premature aging—ensuring reliable, long-term reusability.
• Wide-Range Window Compatibility: Designed for universal fit across most vertical and horizontal sliding windows. The kit includes four modular panels with an adjustable span of 17 inches to 54.5 inches (43–138 cm). Users may configure two-, three-, or four-panel assemblies to match their specific window dimensions. (Note: Please measure your sliding window opening length before ordering.)
• Tool-Free Installation: The vent kit features intuitive, tool-free assembly and disassembly—ideal for residential or office use. Space-efficient design maximizes flexibility without compromising functionality. Includes step-by-step illustrated instructions for rapid setup. Also includes a protective mesh grid to prevent ingress of small animals or debris into the exhaust hose—safeguarding your air conditioner’s internal components.
• Package Contents: 2 × Outer Panels 2 × Inner Panels 1 × 5.9-inch Exhaust Coupler 1 × Self-Adhesive Sealing Tape 1 × Protective Mesh Grid 4 × Butterfly Screws 1 × Illustrated User Manual 2 × End Supports