Membrane 3M
Reverse Osmosis Membrane Same price as Amazon!
(3MROM413) 3M Membrane Module
The compatible membranes are just as good at a better price!
Please see 3MKO membrane Below (price: $139)
3M Compatible Pre-Carbon Filter (Sed/Carbon)
Replacement for the 3M 3 & 4 vessel units. #2
Who needs this filter? Anyone who has a 4-vessel unit - it is the #2 filter on that system.
Also, if you have a 3-vessel unit and your water application is municipal (city) water, you will use a pre-carbon filter as your #1 filter.
Compatible for the 3MROP12 filter.
3M Block Carbon Filter (3MROP416)
(Formerly part #: 3MROP414)
New part number, same filter.
3M Compatible Sediment Filter
Replacement for the 3M 3 & 4 vessel units. #1 Filter
Who needs this filter? Anyone who has a 4-vessel unit - it is the #1 filter on that system.
Also, if you have a 3-vessel unit and your water application is well water, you will use a sediment filter as your #1 filter.
Compatible for the 3MROP411 filter
3M Compatible Post Carbon Filter
Replacement for the 3M 4 vessel units. #3 or 4 Filter
Everyone needs this filter whether you have a 3-vessel or 4-vessel system. This is your #3 or 4 post-carbon filter.
Compatible for the 3MROP412 filter (formerly part # 3MROP414)