Specifications include, but are not limited to: 1 493-04 Gas Dryer, MD Series, 1/8 inch, stainless steel, Orsat model # MD-050-48S-2 as per Attachment A 19 EA 2 493-04 Catalyst Bed for Zero Air 75-83, Orsat Model 75394 as per Attachment B 7 EA 3 493-04 Valco 2 position UW type valve 6 port - M041-5221, ORSAT Model A-DC6UWE as per Attachment C 14 EA 4 493-04 Orsat Plot Column CP-AL2O3/NA2SO4 0.32 millimeter X 5U X 50 meter, Orsat Model CP7565 as per Attachment D 14 EA 5 493-04 Capillary column, BP1, 0.22 millimeter inside diameter x 50 meter, Orsat Model 054054 as per Attachment E 14 EA 6 493-04 Cold Trap for PerkinElmer Turbomatrix for Ozone Precursor Analysis, Orsat Model PE-M041-3628 as per Attachment F 19 EA 7 493-04 Valve, 4-port for use with PerkinElmer Turbomatrix TD, Orsat Model PE-M041-0253 as per Attachment G 14 EA 8 493-04 Total Organic Carbon (TOC) Catalyst - Tower Module Assembly, Orsat Model 76810 as per Attachment H 7 EA