These tubes are designed to house (5) Twin Tech Filter Media Retainers part # FMR24003 and are also direct replacement tubes for:
Wix (24003, 24744, WF10429) and Napa (4003, 4744, 600429) filter systems.
They are CNC machined form T6061 aluminum and held to the closest tolerances so that five pieces can be stacked inside the tube and be captured tightly by our end caps with little to no rattle.
A five (5) piece kit for this tube can be purchased Here
1 7/8-16 UN 2A Caps for this tube can be purchased Here
For CDC guidelines to safely filter and treat drinking water Click Here!