Flat Exhaust Duct Connector for Portable AC Window Hose Adapter

Flat Nozzle Exhaust Duct Connector for Portable Air Conditioners

Keep your portable AC running at peak efficiency with this Flat Mouth Exhaust Duct Connector. Designed for a secure, leak-proof fit in tight window gaps and corner installations, this compact plastic adapter bridges your portable air conditioner's exhaust hose to the window panel — fast, tool-free, and fuss-free.

Key Features

• Effortless Plug-and-Play Installation: No tools required. Simply connect and go — fits most portable and fixed air conditioner exhaust hoses for instant, optimized airflow.
• Flat Design for Tight Spaces: The space-saving flat nozzle profile creates a tight seal in narrow window gaps and corner setups, preventing cool air from escaping and warm air from leaking in.
• Quick-Connect & Disconnect: Ideal for travel, camping, or temporary setups — this lightweight, compact coupler lets you set up and pack down your cooling system in seconds.
• Energy-Saving Seal: A secure exhaust seal minimizes energy loss by containing hot air exhaust, helping your AC unit cool your space more efficiently.
• Universal Fit: Compatible with a wide range of portable air conditioner hose diameters, making it a versatile adapter for home and office use.

Specifications

• Material: PE Plastic
• Connection Type: Threaded
• Size: Approx. 26.5 cm / 10.43 inches
• Max Pressure: <850 kPa
• Package Includes: 1 × Portable AC Hose Adapter

Made in Mainland China.

Note: Due to lighting and display settings, slight colour variations may occur. Minor measurement differences may exist due to manual sizing.

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Learn more: National Weather Service heat safety

Frequently Asked Questions

Q: What portable air conditioner hose sizes does this flat nozzle exhaust duct connector fit?

A: This universal flat nozzle connector is designed to fit a wide range of standard portable air conditioner exhaust hose diameters. Its threaded connection and flexible PE plastic construction accommodate most common hose sizes used in home and office portable AC units. We recommend measuring your existing hose diameter and comparing it against the adapter's 26.5 cm length before purchasing.

Q: Is this exhaust duct connector suitable for use while camping or travelling?

A: Absolutely! The lightweight, compact design makes this adapter a great travel companion. Its quick-connect and disconnect mechanism means you can set up a temporary cooling solution at campsites, pop-up venues, or short-term accommodation with minimal effort.

Q: Will this flat nozzle connector prevent warm air from entering through window gaps?

A: Yes — the flat design is specifically engineered to create a tight, leak-resistant seal in narrow window openings and corner installations. This helps stop warm outside air from entering while ensuring the hot exhaust air from your portable AC is directed efficiently outdoors.