The Hydrotech 41400008 is the correct replacement filter cartridge for the following reverse osmosis filtration systems:
The Hydrotech 41400008 Sediment RO Filter S-FS-02 is a string wound depth gradient filter used in HT & HTF Series Reverse Osmosis Systems, as well as the 101 and 103 series RO systems. This replacement water filter cartridge features black end caps and needs to be replaced every 6 months and has no shelf life (while dry). This RO filter features a 5 micron rating that makes it efficient at purifying water.
The Hydrotech 41400008 specifications: