EASY INSTALLATION The snap-on connector for portable air conditioners creates a secure attachment between the exhaust hose and the window kit in minutes. No tools required for quick setup and immediate cooling relief during hot summer days. PERFECT FIT COMPATIBILITY Engineered for mobile air conditioner exhaust systems with multiple size options: 13 cm (5.1") or 15 cm (5.9") diameter, available in flat or round head designs to match your exact model requirements. ENHANCED COOLING EFFICIENCY Precision-made interface creates an airtight seal that maintains optimal airflow, reduces cool air loss, and improves your portable AC unit’s performance while lowering energy consumption. HIGH QUALITY CONSTRUCTION Manufactured from premium PP material that withstands high temperatures and resists cracking or warping, this connector maintains integrity across multiple cooling seasons for reliable long-term use. Use scenarios - In a small apartment with a window kit, quickly attach the exhaust hose to the connector for fast cooling relief without tools or delays. - While traveling in an RV or camper, the two diameter options and flat or round head designs ensure a secure fit on various window setups and vents. - In a bedroom or home office during heat waves, the two size choices and durable construction provide dependable performance and prolonged use without frequent replacements.