Complete Set for Efficiency: This package includes a 5.9-inch round AC hose extension and a matching round connector, ensuring compatibility with all 5.9inch diameter exhaust hoses. The visual guide in the images section aids in verifying dimensions for a . Universal Compatibility: Designed to support both Clockwise and Counter Clockwise thread directions, this portable air conditioner exhaust hose coupler seamlessly fits any 5.9inch diameter hose. Its general thread design ensures it can be used with a wide range of portable AC models. Durability and : Crafted from high-quality, heat- plastic, this AC exhaust hose coupler is built to last. It offers a flexible yet strong structure that ensures durability and reliability, even with regular use in demanding conditions. Effortless Installation: Installing this AC hose coupler is a breeze-no professional tools required. Simply screw the connector onto the hose needing extension for a secure, leak-free fit. This tight connection enhances energy efficiency by preventing air leaks. (The actual product may have slight color difference or difference, which not affect the use) Color: Gray Material: plastic Package Contents: 1 PCS * Round AC Hose Extension 1 PCS * Round Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.