Changing reverse osmosis and cascadian filters on a timely basis will ensure the best in water quality for you and your family.
RO (Reverse Osmosis) pre-filters (sediment/carbon) should be replaced every 6-12 months
RO membranes last 2-3 years, while post-filters/alkaline filters generally need changing annually, or every 1-2 years depending on usage. Cascadian filters are usually replaced annually, depending on water consumption.

Reverse osmosis
This system requires:
- pre-filters (sediment/carbon) should be replaced every 6-12 months
- Inline filter is recommended every 1-2 years
- Membrane is recommended every 2-5 years
Links to purchase these parts:
CARBON FILTER https://amzn.to/4ti39fs
SEDIMENT FILTER https://amzn.to/3PTbEzi
INLINE FILTER https://amzn.to/47OYfP1
MEMBRANE https://amzn.to/4s2lYlV
FILTER WRENCH https://amzn.to/48eulnh
Alkaline
THIS SYSTEM REQUIRES:
- pre-filters (sediment/carbon) should be replaced every 6-12 months
- Inline filter is recommended every year
- Membrane is recommended every 1-2 years
Links to purchase these parts:
CARBON FILTER https://amzn.to/4ti39fs
SEDIMENT FILTER https://amzn.to/3PTbEzi
CALCITE FILTER https://amzn.to/3OeCj9g
INLINE ALKALIZER FILTER https://amzn.to/3NCMPHn
MEMBRANE https://amzn.to/4s2lYlV
FILTER WRENCH https://amzn.to/48eulnh
Cascadian
THIS SYSTEM REQUIRES:
- pre-filters (sediment) should be replaced every 9-12 months
- Cascadian filter is recommended every 9-12 months
Links to purchase these parts:
ICS-TPK REPLACEMENT WATER FILTER FOR ICS-TP SYSTEM
https://cascadianwater.com/products/ics-tpk?ref=JAYMONDAY&selling_plan=1145241781
Whole House Sediment Filter Cartridge
https://amzn.to/4bY1uVt
ICS-SP1242K NUVO MANOR ALTERNATIVE POLYHALT® SOFTENER
https://cascadianwater.com/products/ics-sp1242k?ref=JAYMONDAY&selling_plan=1144684725
BLUE O-RING FOR 2ND. GEN HOUSING
https://cascadianwater.com/products/af-oring45?ref=JAYMONDAY&selling_plan=1145700533
O-RING FOR UNDER COUNTER HOUSING
https://cascadianwater.com/products/af-oring25?ref=JAYMONDAY&selling_plan=1145602229
HOUSING WRENCH
https://cascadianwater.com/products/af-wrench45?ref=JAYMONDAY
DRAIN KIT FOR 2ND GENERATION
https://cascadianwater.com/products/af-drainkit?ref=JAYMONDAY
O Rings Lubricant
https://amzn.to/41Zt7c8
