Easily extend your portable A/C exhaust tube to any length you want
Secure fit on 5-inch tubes with no leak. Compatible with Amazon listing with ASIN B0048ELAB2
Clockwise tread outside inwards. Please search for Amazon listing ASIN B071CFQ3Y6 for coupler with bi-directional treads.
This is an intulon brand product and has not been licensed to be sold by anyone else. Buying from any seller other than Intulon LLC or Amazon.com will only get you a fake product.