--- title: CFU Compact Filter Unit | Portable Offline Fluid Filtration description: The CFU Compact Filter Unit delivers powerful offline fluid filtration in a portable design. Removes particulate and water contamination with high-efficiency, DFE-rated elements to help achieve target ISO cleanliness codes. --- [![Donaldson Hy-Pro](https://www.hyprofiltration.com/hs-fs/hubfs/Donaldson%20Hy-Pro%20Logo_Blue.png?width=170&height=76&name=Donaldson%20Hy-Pro%20Logo_Blue.png) ![Donaldson Hy-Pro](https://www.hyprofiltration.com/hs-fs/hubfs/Donaldson%20Hy-Pro%20Logo_Blue.png?width=170&height=76&name=Donaldson%20Hy-Pro%20Logo_Blue.png) ](https://www.hyprofiltration.com?hsLang=en) [**](https://www.hyprofiltration.com/products/fluid-conditioning-equipment/offline-filter-system/cfu-overview#tmpmodule_1710871496765239) [![Distributors](https://no-cache.hubspot.com/cta/default/170326/6a993b6f-f737-4a22-8a35-a45c4da5c3b4.png)](https://cta-redirect.hubspot.com/cta/redirect/170326/6a993b6f-f737-4a22-8a35-a45c4da5c3b4) [![eCatalog](https://no-cache.hubspot.com/cta/default/170326/4050f587-90b6-4151-8b5e-82d87ca58336.png)](https://cta-redirect.hubspot.com/cta/redirect/170326/4050f587-90b6-4151-8b5e-82d87ca58336) ** ## CFU Compact Filter Unit The CFU Compact Filter Unit delivers high-efficiency offline fluid filtration in a portable, space-saving design. Bigger isn’t always better. The CFU combines power and mobility to condition fluids where larger systems can’t fit, making it ideal for field service work, turbine nacelles, and tight equipment spaces. Designed for versatility, the CFU uses staged filtration and a range of media options to remove particulate and water contaminants and help achieve targeted ISO cleanliness codes. [With DFE-rated elements](https://www.hyprofiltration.com/dfe-dynamic-filter-efficiency?hsLang=en) offering high particulate capture and retention (β3[C] ≥ 4000), it protects your systems by keeping contamination out of critical fluids.  Built from lightweight aluminum and engineered for easy handling, this unit filters new fluids during transfer or flushes in-service oil through high-efficiency media for exceptional fluid cleanliness. Standard upstream and downstream sample ports provide insight into fluid condition, while customizable flow rates, power options, and safety-aligned color choices let you tailor the CFU to your application.  [![Download Brochure](https://no-cache.hubspot.com/cta/default/170326/4cdef79e-7f72-4391-b936-24b74255b12e.png)](https://cta-redirect.hubspot.com/cta/redirect/170326/4cdef79e-7f72-4391-b936-24b74255b12e) [![Contact Us!](https://no-cache.hubspot.com/cta/default/170326/interactive-188634326957.png) ](https://www.hyprofiltration.com/hs/cta/wi/redirect?encryptedPayload=AVxigLIyQbAKFyLWjCgFBHRlpQYwPpdrgoQ1Y1TeCkd0p7WsjTwEj2voo2%2BvHXFEjzPAEuPTeda1fZxkXt3jpuj3rK87z6wgXozoQuo%2BkhltnGs%2F6iu%2FsHrJF3yOJQeVLswWOn%2B%2FbHC0Zasis7mgE04akchWbMCybfZE6dU4BGWeLqbiy3A3OeGPqR9aHq45wg%3D%3D&webInteractiveContentId=188634326957&portalId=170326&hsLang=en) --- ![IMG_2016.png](https://www.hyprofiltration.com/hs-fs/hubfs/Hy-Pro%20Website%20Images/CFU/IMG_2016.png?width=191&name=IMG_2016.png "IMG_2016.png") ### Small size, huge results. Designed specifically for limited space operations, the CFU maximizes power in a minimal package. Use the ergonomic handle to hoist the CFU to provide filtration directly within turbine nacelles or filter straight from the barrel to take out contaminants before they can ever reach your equipment. --- ### The first stage of success. Staged filtration allows a range of media selections for particulate and water removal to deliver ISO Codes right on target. Choose from six element configurations to get the perfect CFU for your toughest contamination problems. ![CFU](https://www.hyprofiltration.com/hs-fs/hubfs/CFU_crop.png?width=911&height=650&name=CFU_crop.png "CFU") --- ![CFU_Element-1](https://www.hyprofiltration.com/hs-fs/hubfs/CFU_Element-1.png?width=1169&name=CFU_Element-1.png "CFU_Element-1") ### Media Matters. DFE rated filter elements stay true to efficiency ratings and ensure the highest level of particulate capture and retention capabilities. And with media options down to β3[C] ≥ 4000 you can be sure contamination stays exactly where you want it: out of your fluid. --- ### Redefines standard filtration. Knowledge of your system is the ultimate tool in the fight against contamination. With upstream and downstream sample ports located on every machine, the standard CFUs are anything but standard. ![CFU_Sideview](https://www.hyprofiltration.com/hs-fs/hubfs/CFU_Sideview.png?width=1938&name=CFU_Sideview.png "CFU_Sideview") --- ![CFUD212SB-3MB_102814_Gearbox2.jpg](https://www.hyprofiltration.com/hs-fs/hubfs/Hy-Pro%20Website%20Images/CFU/CFUD212SB-3MB_102814_Gearbox2.jpg?width=400&name=CFUD212SB-3MB_102814_Gearbox2.jpg "CFUD212SB-3MB_102814_Gearbox2.jpg") ### Different by design. Built from lightweight aluminum and engineered for portability, the CFU is perfectly designed to filter new fluids during transfer and top-off bulk oil before use. For fluids already in service, use the CFU to flush them through the high efficiency elements for unparalleled levels of fluid cleanliness. --- ### Completely customizable. Every CFU can be specifically tailored to the job at hand so you get the perfect solution to suit your needs. With a variety of flow rates and power options, even the ability to color coordinate each CFU to your existing safety standards, the possibilities are endless for what you can do with the CFU. ![CFU_Multicolor-Group_1 copy.jpg](https://www.hyprofiltration.com/hs-fs/hubfs/Hy-Pro%20Website%20Images/CFU/CFU_Multicolor-Group_1%20copy.jpg?width=434&name=CFU_Multicolor-Group_1%20copy.jpg "CFU_Multicolor-Group_1 copy.jpg") --- ## Have a Question for Donaldson Hy-Pro? 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