Automatic self-filling syringe features an ergonomic design that allows for extended use with reduced hand fatigue. Suitable for most liquids and suspensions; operates under any climate condition. Durable, one-piece bottle/needle connection made of high quality metal helps avoid breakage. Designed for standard luer-lock needle. Modem valve system provides a very short refill time. Easy disassembly for cleaning. Comes with standard bottle mounts for 10-100 ml bottles and 250 ml bottles, as well as a Quick-Fit bottle mount for 10-100 ml bottles. Each syringe includes a maintenance kit including oil, o-rings and luer-lock connection.