$54.99 Pentek CBR2-10R, 0.5 Micron Filter with Flow Control
CULLIGAN 5 Micron Rating Filter Cartridge, 2 1/2 in Diameter, 10 1/2 in Height, 4.0 gpm - 32WT76 
Sediment Pre-Filter, 5 Micron Pleated Filter Single System (available in 3 sizes) | Hydropure 
