UNICO 6V20W Halogen Bulb 4mm Pin For M250 Series. Combining top-notch and uncompromising quality with an affordable price the UNICO 6V20W Halogen Bulb 4mm Pin For M250 Series M250-7001 can fulfill your laboratory needs while still offering a great value for the money. We offer only genuine UNICO products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Microscope Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for UNICO Microscope Accessories. We are an authorized supplier to all government research and educational institutions and can facilitate volume orders on thousands of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the UNICO 6V20W Halogen Bulb 4mm Pin For M250 Series M250-7001 we carry a full complement of Microscope Accessories as well as other product offerings from UNICO. We also carry a full line of UNICO accessories to help meet your laboratory and scientific needs. For a complete selection of UNICO Microscope Accessories please visit our UNICO page. For more brand name Microscopes please visit our Microscope Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog.