Compatibility: Designed for Thermo King HVAC systems, compatible with NABI buses like the NABI 436 (60-foot articulated bus, produced 1991–2002). May also fit other NABI models (e.g., 60-LFW, 60-BRT) or brands with Thermo King HVAC units (e.g., Gillig, New Flyer). Please verify fitment for your specific model.