Dear Fly researchers, Labscientific has a complete line of fly facility equipment; such as CO2 stages; fly supplies and Halocarbon oil for fly injection work. Please visit our website: www.labscientific.com. We also sell X-Gal, IPTG, antibiotics, and Glycerol at excellent prices. Thanks, Marty Rosen Labscientific, inc Marty Rosen