SAMSUNG GC43D08-ZC22AG-20 / 303GC430048 (4) LED STRIPS FOR UN43NU6950 AND OTHER MODELS. We do not accept exchanges or refunds for the following reasons. First, you as the purchaser of the part is accepting the role of the technician in properly diagnosing and installing the part. We do not know your qualifications as such. If you have any concerns, please contact us prior to your purchase.