Materials - Polypropylene air conditioner hose and stainless steel clamp. Both materials are designed for 10+ years of use and always come with a money back guarantee.

6 Inch Size: The hose is 6 inches/ 15.2 cm in diameter (measure from outer edge to outer edge). Universal fit to various AC using 5" diameter hose. we also have the bigger size of 5 inch in our store (you can search B07GRMQTWC). Please measure the right size of your air conditioner models before purchase. Don't purchase the wrong size!

Added Bonus - Your portable air conditioner hose comes with a free added stainless steel clamp to hold your air conditioner tube in place with ac unit.

Easy to attach to existing hose: gently extend out the exhaust hose to meet up with the existing hose, line up with the both ends, snap into place, it's easy to install; When installing, please counterclockwise rotate the hose to complete the installation

BUY WITH CONFIDENCE: Feel free to contact us if you experience any issues with our product. We are happy to issue you a full refund in case you are less than 100% satisfied with your purchase.