Harvard Apparatus is the global leader in syringe pumps, infusion pumps, RS232 controlled syringe pumps, high pressure syringe pumps and custom OEM syringe pumps and peristaltic pumps. Our pumps are used for mass spectroscopy, calibration, drug and nutritional infusions, microdialysis, dispensing, chromatography and LC/HPLC. Basically, you'll find our pumps anywhere that the most accurate and reliable research pumps are needed. More syringe pump information is available at www.syringepumpdirect.com.We are also well known for our small animal ventilators and anesthesia equipment for respiratory studies. We have a large selection of respiration accessories like cannulae, nebulizers, plethysmographs, spirometers and tubing. Let us configure the perfect anesthetic system for your needs, complete with vaporizer and gas scavenger.