Fai Filtri CSD Series Hydraulic Filters are durable, high-efficiency spin-on filters engineered to keep hydraulic, lubrication, and fuel systems running clean and reliable under demanding conditions. Designed for medium-pressure operation up to 35 bar and flow rates up to 180 l/min, these filters deliver dependable protection and long service life for industrial, construction, and mobile machinery. Each unit features “A” type reinforced microfiber elements that provide absolute filtration from 3 to 25 microns (βx ≥ 200), ensuring consistent contaminant retention even during pressure spikes or cold starts. The quick, clean spin-on design simplifies maintenance while minimizing downtime. Built from galvanized and painted steel with Buna-N or Viton® seals, the CSD Series offers rugged, worry-free performance across a wide range of applications and fluids.