AirShield for Microlab 600 Diluter DispensersProtect your investment with AirShield The AirShield is a separate accessory that can be purchased for any Microlab 600 instrument. It creates a positive pressure blanket of fresh air inside the pump that pushes air out over critical components on the outside of the pump, protecting them from the environment. Localized Harsh Environment In many labs the air is relatively clean but samples and reagents placed near the instrument result in a localized