Shipping rates are based on zip code, weight and includes insurance. Wholesale purchases are considered as is, where is, in working condition non-returnable. If a retail sales item does not meet your needs or satisfaction, please contact Customer Service at customerservice@astatmedical.com or by phone (800) 458-9067. 117 Gibraltar Street Annapolis, Maryland 21035 Toll-Free: (800) 458-9067 Local Telephone: (301) 261-4450 Fax: (410) 798-1632 webmaster@astatmedical.com