This document is the owner’s manual for the LifeTime HEPA™ Permanent Filter Model 18155 Air Purifier. It provides detailed instructions on how to install and operate the air purifier, as well as safety precautions and measures to reduce the risk of fire and electric shock.
This manual explains how to safely install and operate the Honeywell 18155 Portable True HEPA Air Purifier. It includes important safety precautions, initial pre‑filter installation, power‑button settings, and guidance for optimal placement and continuous operation.
The guide also covers filter care—cleaning the permanent HEPA filter, replacing the carbon pre‑filter, resetting filter‑indicator lights, and storage recommendations. Frequently asked questions, accessory ordering information, and warranty terms are provided at the end of the document.