Labnet Labmax Polypropylene Bottle Top Dispenser - Adjustable Purging 1-5mL Capacity for Precise Liquid Measurement | Ideal for Laboratory, Chemical & Pharmaceutical Use

The unique closed circuit air purging system allows air and bubbles to be eliminated from the dispenser without loss of valuable reagent. The reagent "guard Valve" prevents accidental discharge of reagent when the dispenser is not in use. A simple turn of the operations mode Selector activates this Safety feature. Eliminating the need for discharge tube caps. The exclusive integrated swivel neck allows the discharge tube to be turned 360° for convenient dispensing without affecting the connection to the bottle.

Unique closed circuit air purging system

Reagent "guard valve" for safety shut down

Exclusive integrated swivel neck

Patented direct displacement ptfe piston

Quick and accurate volume adjustment