Part number: TL1854 Portable AC Hose compatible with PACC100, PACA110, PACA140E, PACC100EL, PACCT90, PACWE125, PACWE130, PACA110L Solve problem: Portable air conditioner exhaust hose can solve air conditioning leaks, cooling anomalies, display airflow related error codes, etc., to keep your room cool at all times Product size: 5 inch diameter exhaust hose ensures optimal airflow, fitting most standard portable AC units for efficient cooling. The hose can be adjusted between 10.79 inches and 59 inches according to actual needs Installation method: Stretch the air conditioner exhaust hose to a suitable length and connect it to the portable air conditioner, then connect the exhaust pipe to the hose connection If you have any problems please kindly contact us by logging in your Amazon Buyer Account , Find your order and click Contact Seller we will respond you in one business day. Part number: TL1854 Portable AC Hose compatible with PACC100, PACA110, PACA140E, PACC100EL, PACCT90, PACWE125, PACWE130, PACA110L. Solve problem: Portable air conditioner exhaust hose can solve air conditioning leaks, cooling anomalies, display airflow related error codes, etc., to keep your room cool at all times. Product size: 5 inch diameter exhaust hose ensures optimal airflow, fitting most standard portable AC units for efficient cooling. The hose can be adjusted between 10.79 inches and 59 inches according to actual needs. Installation method: Stretch the air conditioner exhaust hose to a suitable length and connect it to the portable air conditioner, then connect the exhaust pipe to the hose connection. If you have any problems please kindly contact us by logging in your Amazon Buyer Account , Find your order and click Contact Seller we will respond you in one business day.