Kit Includes: 1 Air Filter 1 Oil Filter 2, One-Quart Bottles of G's Proprietary 5W-20 Synthetic Oil 2 SPs 1 Funnel Shop Towels Fits Model Numbers: Compatible with 2013 – present, 14 – 17kW air-cooled G Guardian series, Centurion, Honeywell, Eaton, and Siemens.