New sizes and fitting choices are available for precise orifice and filter inserts.
The orifices are nonoxidizing, have wear resistance next to diamond, and are chemically inert. Sizes range from 0.004 to 0.081 in. Flow rates start at less than 1-sccm dry air.
Bird Precision, One Spruce St., Waltham, MA 02454, (800) 454-7369, birdprecision.com