Profile: Greenleaf Filtration produces filters and synthetic lubricants & greases. Our products include industrial filtration systems, HVAC air filters, liquid process filters, liquid bag & cartridge filters, compressor filters, compressed air condensate drains, filter housings, hydraulic filters, and oil analysis programs. We carry a wide range of air-oil separators for air compressors and vacuum packages, as well as air inlet filters, oil & coalescing type filters.