: Genuine parts often feature tamper-evident seals from the manufacturer.

: Always look for a physical test report or a "Certificate of Conformance" included in the packaging. VERIFY Definition & Meaning - Merriam-Webster

has been professionally inspected, cleaned, and tested for functional integrity before resale. Why Verification Matters for These Components

: Non-verified parts often fail to reach the variable speed benefits, leading to higher electricity bills.