5.9 Inch Portable Air Conditioner Exhaust Hose Coupler AA01, Round Mobile AC Duct Extension Connector, Air Conditioner Accessories. Not Universal – Verify Connector Style Before Purchase

Additional Details from the Manufacturer

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• Not Universal AA01 Coupler | Specific 5.9 Inch Fit This round portable AC exhaust hose coupler AA01 is specially made for 5.9 inch diameter exhaust ducts and NOT compatible with 5.1 inch hoses. It works with both clockwise and counterclockwise threaded ducts to fit most mainstream mobile air conditioner units. Please verify your original connector style before purchase to avoid mismatches.
• Durable Heat-resistant ABS Construction Crafted from premium flexible ABS plastic with outstanding heat resistance. The AC duct extension connector is solid, crack-resistant and wear-resistant. High-grade raw materials extend service life, ideal for daily indoor household use and occasional outdoor portable air conditioner applications
• Enhanced Ring Seal to Prevent Air Leakage Equipped with raised ridge circular sealing structure to create an airtight connection between exhaust hose and the rear exhaust port of your portable AC. It effectively stops hot air leakage, minimizes cold air loss and optimizes the overall cooling efficiency of your mobile air conditioner.
• Tool-free two-step quick installation without drilling or extra fittings needed. First connect the adapter to exhaust hose, then snap the other end onto the exhaust port of portable air conditioner, effortless DIY installation for all users.
• Practical Replacement AC Accessory Perfect spare replacement part for window-mounted portable air conditioning units. Great for replacing worn or broken couplers and routine portable AC maintenance. Package includes 1 piece of AA01 5.9 inch exhaust hose connector.