Pentek U440 UltraFiltration Membrane Specs:
Material: Polyethersulfone, modified (PESM)
Pore Size: 0.025 micron (nominal) 0.065 micron (absolute)
Molecular Weight Cut Off (MWCO): 100-150 kD
Active Membrane Surface: 51 sq. ft.
Service Flow Rate @ 15 psi drop: 6.23 gpm to 10 gpm (1,416 L/H to 2,271 L/H)