The Kaeser Condensate Filter (KCF) is designed to filter-out oil and other contaminants making compressed air condensate safe for disposal. The key to the KCF function is the three-stage, self-contained plastic filter cartridge, which is extremely convenient for replacement and disposal. No messy filter bags! And the unit requires no electricity and little maintenance. The KCF is designed to handle most compressor lubricants and is available in two sizes.