43/400 Gold Unishell Cap F217

The 43/400 designation should be verified dimensionally because nominal finish names do not guarantee identical sealing behavior. The 43/400 Gold Unishell Cap F217 (Part 128280) gives brands a concrete packaging closure for balancing usability, manufacturing, and shelf communication. Its application range extends to cosmetics, personal care, wellness, supplements, household, and specialty products. Confirm thread fit, torque, liner performance, leakage resistance, and opening behavior on production containers.