Drilled Filter Cylinder, such as EB drilled, can be a challenge to clean with their micro-level holes. But a filter cylinder does have build-up that closes off holes over time, which results in lost capacity. AFT can help make the cleaning simple.
Auditing the entire Stock Preparation line or auditing an individual Screen, Refiner or Degasser can be a starting point for improving capacity, changing grades, setting new quality standard or eliminating fiber waste.