In critical applications like API manufacturing, injectables, or bioprocessing, the filtration system must meet non-negotiable standards: Sanitary design – no dead ends, no residual liquid concern where product can accumulate Easy to clean and drain – because residues are not an option Surface finish that supports sterility – mechanical or electropolished, sometimes down to 0.2 μm Ra Meet GMP stangards – from material traceability to cleanroom manufacturing