The Main Board Air Filter is used on Spectrum Two spectrometers. It is made of a polyester, reticulated, black foam and measures 120 (L) x 25 (W) x 15 (H) mm. It weighs appromately 4 g.
This filter ships with the Spectrum Two Main Board Replacement Kit (L1600125), the SP2 Common Base Assembly (L1600220/L1600250) and the Common Base Solids Analyzer Assembly (PP035803).