Highlight Condition: Clearly state "Brand New / Unused in Original Box" in the title.
Feature Certifications: Mention the logos visible on the unit: SIRIM tested, SGS certified, Jacobi Activated Carbon, and Bayer material.
Accessories: Confirm in the description if the box includes the full setup (faucet tap, hose/tubing, divertor valve, and manual).
Clear Photos: Include pictures of the unboxed unit, the box, and the internal accessories to build buyer trust.