We put these filters in line with the cold water lines on the boat to filter all of the water in the boat. 2 canisters are on the whole boat system. The first one is 5 microns and 2 microns and the last one that is under the galley sink with a .5 micron carbon block filter.
The canister filters are this link
The connections to PEX is below.
Below is a link to sediment filters