BIO-RAD PowerPac Basic Electrophoresis Power Supply w/ Mini Protean Tetra Cell30-day return warranty NO NEED FOR NEGATIVE OR NEUTRAL FEEDBACK. If there is a problem, please contact us before leaving feedback. If an item arrived not as described or you are not satisfied with the item or shipping time, we will resolve all issues. We strive for a 5-star detailed seller rating and work hard for our customer’s satisfaction by providing a smooth transaction. Payment Full payment is due within 3 days. We accept all forms of payment. We may process your payment as per your organizations policy if needed, for specific payment needs or company invoice email us.Shipping — We ship same business day on most items if paid before 10am pacific time, otherwise items ship within 1-2 business days after payment. — We ship with USPS FedEx UPS — If you wish to use your FedEx UPS account# please let us know upon purchase. — We ship Worldwide. Buyer responsible for customs/duty import charges.Return PolicyWe offer a 30-day return on all products, if item arrives damaged or not as described or due to any error on our part, we will refund the full amount with ship charges both ways. If buyer decides to return an item for any other reason, in this case the buyer pays return shipping.