Inject from 1 µL to 5 mL with high accuracy and precision, with the Rheodyne 7725 and 7725i valves. Rheodyne 7725 and 7725i valves are versatile injectors and can use both partial-filling and complete-filling methods for loading the sample loop. Wide port angles of the 7725/7725i valve provide improved access to fittings. Sample loop with a 2 µL internal capacity is also available. In a clean system, the 7725/7725itypically can make more than 30,000 injections before requiring replacement of the rotor seal.