Question 5 - The Applicant should justify why the product is considered equivalent when the particle size comparison with spacer is not able to demonstrate equivalence in the pool of throat + stage 0 + stage 1, pooled as desired by the Applicant with the 20% acceptance range and pool of stages 2 + 3, as desired by the Applicant, with the 15% acceptance range, mainly because the sample size of this comparison has not been calculated appropriately.