150mm Portable AC Exhaust Hose Adapter – Square to Round Fit

150mm Portable Air Conditioner Exhaust Hose Adapter – Square to Round Interface

Keep your portable air conditioner running at peak efficiency with this durable 150mm (5.9") exhaust hose adapter. Designed to bridge square and round vent interfaces, this adapter delivers a firm, airtight seal between your portable AC unit and its exhaust duct — minimizing air leakage and maximizing cooling performance. Compatible with most portable air conditioners featuring a 15cm / 5.9" hose diameter, including Comfee models.

Made in Mainland China.

Key Features

• Universal 5.9" / 150mm Fit: Designed for portable air conditioners with a standard 15cm exhaust hose diameter. Fits a wide range of portable AC brands and models, including Comfee units.
• Square-to-Round Interface: Seamlessly converts the square body connection on your AC unit to a round hose outlet, making installation fast and hassle-free.
• Durable PVC Plastic Construction: Crafted from high-quality, lightweight PVC plastic that performs reliably in temperatures ranging from -20°C to +65°C (-4°F to +149°F). Built to last through extended use.
• Bidirectional Threaded Design: The clever clockwise/counterclockwise thread design means you can connect the adapter with either hand — no need to worry about orientation.
• Tight Airtight Seal: The precision-fit nozzle creates a firm, secure connection with your AC pipeline, preventing air leaks and foreign object ingress for improved energy efficiency and better temperature control.
• Lightweight & Easy to Install: Snap it on in seconds — no tools required. Compact and easy to store when not in use.

Specifications

• Part Name: Air Conditioning Exhaust Pipe Body Interface / Hose Adapter
• Material: PVC Plastic
• Hose Diameter: 150mm / 5.9"
• Interface Type: Square to Round
• Color: White
• Compatible With: Comfee and most standard portable air conditioners with 15cm exhaust hose
• Operating Temperature Range: -20°C to +65°C
• OEM Number: N/A

Package Contents

• 1 × Air Conditioning Exhaust Pipe Body Interface / Hose Adapter

Important Notes

• Please measure your portable AC's exhaust hose diameter before purchasing to ensure compatibility.
• Actual color may vary slightly from product images due to monitor brightness and lighting conditions.
• Please allow slight manual measurement deviation.

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For guidance on portable air conditioner efficiency and proper ventilation, visit the U.S. Department of Energy – Portable Air Conditioners resource.

Frequently Asked Questions

Q: What size air conditioner exhaust hose does this adapter fit?

A: This adapter is designed for portable air conditioners with a standard 5.9" (150mm / 15cm) exhaust hose diameter. Please measure your AC unit's hose outlet before purchasing to confirm compatibility.

Q: Is this exhaust hose adapter compatible with Comfee portable air conditioners?

A: Yes, this adapter is specifically listed as compatible with Comfee portable AC models, as well as most other portable air conditioners that use a standard 5.9" / 150mm exhaust hose.

Q: Does the adapter create an airtight seal?

A: Yes. The adapter features a precision-fit threaded nozzle design that creates a firm, secure, and airtight connection between your portable AC unit and its exhaust duct, reducing air leakage and helping improve energy efficiency and cooling performance.

Q: Does it matter which direction I twist the adapter when installing it?

A: No — the adapter features a bidirectional thread design that works whether you rotate clockwise or counterclockwise. It is also compatible with both left- and right-handed connections, making installation quick and easy for anyone.