



5-Stage Universal Countertop RO Replacement Filters – Sediment, T28, RO Membrane, DI, T33
$69.00 – $139.00Price range: $69.00 through $139.00
5 Filter Set for 5-stage Universal Countertop RO Systems, including Sediment, T28, 75 or 150 GPD membrane, DI close to 0ppm and T33 inline filter cartridges, SKU# 4FILTERDIK
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Description
5 Filter Replacement Set for 5-Stage Universal Countertop Reverse Osmosis (RO) Systems.
Includes Sediment, T28 carbon, Reverse Osmosis membrane, DI ion exchange, and T33 post-carbon filters.
Compatibility: Compatible with most 5-stage portable and countertop RO purification systems.
Set includes 5 filters:
- 1st Stage – Sediment Filter: Premium Quick-Connect 5-micron sediment filter. Removes dust, dirt, sand, and rust particles while helping extend the life of the RO membrane and the entire system.
- 2nd Stage – Carbon Pre-Filter: Premium USA-made Quick-Connect T28 coconut shell activated carbon filter.
- 3rd Stage – RO Membrane: Reverse Osmosis membrane available in 75 GPD or 150 GPD.
- 4th Stage – DI Filter: Premium Omnipure K2555-BB deionization (DI) ion exchange filter for ultra-pure water.
- 5th Stage – Post Carbon Filter: Premium Quick-Connect T33 coconut shell activated carbon filter for final taste and odor polishing.
Choose one of the following options:
- Filter Set: Replacement time approximately 30–40 minutes. Difficulty level: moderate.
- Complete Assembly: Includes replacement filter set, fittings, clips, new RO membrane, and membrane housing. Allows replacement of the entire assembly in about 1 minute. Only two tubes need to be reconnected (from the kitchen diverter to the assembly). Difficulty level: easy.
Sample assembly images shown for 4-, 5-, and 6-stage countertop RO systems. Actual assembly may vary depending on the filter configuration.

Specifications
| Type: | Sediment Filter |
| Purpose: | Removes sand, silt, dirt, and rust particles |
| Diameter: | 2″ |
| Fitting: | 1/4″ female |
| Service life: | 1,500 gallons |
| Length: | 10″ |
| Stage: | First |
| Housing color: | Semi-clear |
| Manufacturer SKU: | IL-10SC-S514 |
| Type: | T28 GAC Pre-Filter |
| Purpose: | Reduces chlorine, chloramine, VOCs, and improves taste and odor |
| Diameter: | 2″ |
| Fitting: | 1/4″ female |
| Service life: | 1,500 gallons or 8–12 months |
| Length: | 10″ |
| Stage: | Second |
| Housing color: | White |
| Manufacturer SKU: | CL10ROT28-B |
| Carbon type: | T28 coconut shell activated carbon |
| Type: | Reverse Osmosis Membrane |
| Purpose: | Removes approximately 95–98% of dissolved contaminants |
| Diameter: | 1.8″ |
| Fitting: | N/A |
| Service life: | Approximately 2 years (water quality dependent) |
| Length: | 11″ |
| Stage: | Third |
| Housing color: | Blue |
| Manufacturer SKU: | TW-1812-75 |
| Type: | DI Ion Exchange Filter |
| Purpose: | Removes remaining dissolved solids after RO filtration for ultra-pure water |
| Diameter: | 2″ |
| Fitting: | 1/4″ female |
| Service life: | 8–12 months |
| Length: | 10″ |
| Stage: | Fourth |
| Housing color: | White |
| Manufacturer SKU: | K2555-BB (Omnipure) |
| Media type: | DI ion exchange resin |
| Type: | T33 Post Carbon Filter |
| Purpose: | Final polishing filter for improved taste, odor, and water clarity |
| Diameter: | 2″ |
| Fitting: | 1/4″ female |
| Service life: | 1,500 gallons or 8–12 months |
| Length: | 10″ |
| Stage: | Fifth |
| Housing color: | White |
| Manufacturer SKU: | IL-10W-C |
| Carbon type: | T33 acid-washed coconut shell carbon |
Additional information
| Weight | 80 oz |
|---|---|
| Dimensions | 12 × 10 × 6 in |
| Membrane | 150 Gallons per day, 75 Gallons per day |
| Choose | Assembly, Filter Set |
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