KIT; PURGE DISPOSABLE DESICCANT, 2 PACKS. TYPE: PURGE DISPOSABLE DESICCANT; CONSISTS OF: TWO SEALED DESICCANT PACKS (TYPE 4A MOLECULAR SIEVE) PLUS A HUMIDITY-INDICATOR CARD. REPLACEMENT RECOMMENDATION: REPLACE APPROXIMATELY EVERY SIX MONTHS. COMPATIBILITY: SPECTRUM ONE/65/100/100N/400 AND SPECTRUM 3/FRONTIER), TGA 8000, SPECTRUM 3, PYRIS 9, SPECTRUM SPOTLIGHT 200, SPECTRUM TWO, STA 8000. USED FOR FRONTEIR/SPECTROMETER, MODEL NO: FT-IR, TAG NO: UTL-OS-718, SERIAL NO: 96725. MANUFACTURER: PERKIN ELMER, COUNTRY: GB.