Frame thickness in the plate and frame filter press is normally in the range of ______________ inches?
A. 0.25 to 4
B. 0.25 to 8
C. 1 to 5
D. 1 to 12
A. 0.25 to 4
B. 0.25 to 8
C. 1 to 5
D. 1 to 12