Mac Valves. Pneumatic Valves. Festo, SMC, Parker, Bosch Rexroth, Rockwell Automation, ASCO, Numatics, Eaton, Siemens, Emerson Electric and Danfoss. Cosmicbid is your home to essential spare parts and electronic items that are hard to find anywhere else. Place your order now and we will ship it to you promptly. Most items ship same day, with next day delivery available. For any questions contact us and will be happy to assist you.