1. UNIVERSAL COMPATIBILITY: exhaust hose fits to various portable air conditioner models as long as you are using same hose its connector has 5.9 inches/ 15 cm (outer edge to outer edge) in diameter and its thread is counterclockwise 2. STRETCH AND SHRINK FREELY: the hose is extendable, the shortened length is 16 cm, it can extend up to 200 cm, easily extend the length of the exhaust hose to fit into anywhere you want 3. DURABLE AND STURDY: hose is constructed from polypropylene with good flexible, durable and portable, this is a good replacement to keep your air conditioner from leaking when the essential vent hose has cracked 4. EASY TO INSTALL: gently extend out the exhaust hose to meet up with the existing hose, line up with the both ends, clockwise rotate until it snaps into place, it's easy to install 5. Note: please make sure this is the correct hose both the size and thread for your portable air conditioner before purchasing; Product DescriptionOur exhaust pipe design is an ultra long exhaust pipe with a diameter of 150 mm and a length of 2 m. Suitable for ventilation products such as fresh air systems, kitchen covers and range hoods, ventilation fans, air conditioning covers, Yuba kitchen covers, and exhaust fans. Specification:Color: White+Silver< Material: PVC+aluminum foil< Size: 150mm x 2m.Function: Waterproof, noise reducing, foldable, easy to install< Features. All flexible molded parts are integrated without hard bends, reducing wind resistance< Br/>- 2. The aluminum smoke pipe contains steel wire, and the rod part of the smoke pipe is made of stainless steel wire, which is not easily deformed< Br/>- 3. Long lifespana t