NEW! The Dispensette® S bottletop dispensers build on the 50 year history of BRAND dispensing expertise. Continual upgrades makes this the safest and most convenient ever, while retaining the features making the Dispensette® the world's favorite bottletop dispenser. The "floating piston" design of the Dispensette® S forms a zero-wear sealing system with outstanding sliding properties. Optimized flow channels make dispensing and priming even easier ‚Äì particularly in instruments with large volumes. New Features: Simple to mount discharge tube available with or without integrated recirculation valve Designed without additional sealing rings for ease of cleaning and maintenance Replaceable discharge valve with safety valve Olive-shaped filling valve for firmer attachment of filling tubes Improved flow technology results in faster priming Scalloped track for secure volume setting on analog dispensers.