In general, filtration and flow rate come from a combination of how many pleats there are and what kind of material the filter is made of.
Restrictive material + Lots of pleats = Good flow, good filtration
Restrictive material + Few pleats = Poor flow, good filtration
Un-restrictive material + Lots of pleats = Excellent flow, poor filtration
Un-restrictive material + Few pleats = Good flow, poor filtration