For some applications the small Rheodyne sinter filters (discs with a diameter of 6.4 mm and a thickness of 1.6mm) are a good solution. The advantages of these filters are:
- Very low dead volume
- Nearly no loss in T90 time
- Cheap
These filters can be used with any V&F analyzer equipped with a capillary gas inlet system.
You can order a heated Rheodyne filter unit with the V&F article number 800388.