Portable Air Conditioner Exhaust Outlet Hose | Replaces De’Longhi 5315110031
5315110031 (OEM). 🔁 Replaces Part Numbers. Cracked or brittle exhaust hose. Ensure hose is fully seated on both ends for a tight seal. Do not over‑extend the hose to avoid back‑pressure. Hot air leaking back into the room.