RO Countertop 4-Stage Reverse Osmosis System – 100 GPD
This powerful 4-stage countertop reverse osmosis system delivers up to 100 gallons (400 litres) per day using a genuine Dow Filmtec membrane. With higher flow rates than most standard systems, it’s a top choice for those seeking quick, efficient filtration.
Key Features
- High Flow Rate: 100 GPD (400 LPD) at 50 PSI, up to 600 LPD at 100 PSI. Approx. 250ml per minute depending on pressure and temperature.
- Trusted Dow Filmtec Membrane: Industry benchmark for performance and reliability.
- Optional Add-ons Available: Neat cover box, external spout, and membrane flush valve.
- Compact & Portable: Ideal for renters, travellers, and small homes.
- Quick Setup: No tools required – plug-and-play installation.
4-Stage Filtration Process
- Stage 1: Omnipure CL10PF5 – Sediment cartridge removes rust, sand, and debris.
- Stage 2: Omnipure CL10RO-T40 – Coconut carbon pre-filter reduces chlorine and taste/odour.
- Stage 3: Dow Filmtec TFC Membrane – Removes fluoride, heavy metals, bacteria, and more.
- Stage 4: Omnipure CL10RO-T40 – Final coconut carbon filter improves taste and smell.
System Specifications
- Flow Rate: 100 GPD (400 LPD) at 50 PSI; 600 LPD at 100 PSI.
- Output: Approx. 250ml per minute (varies by pressure and temperature).
- Operating Pressure: Ideal minimum 50 PSI (lowest 40 PSI).
- Water Hardness Limit: 450 ppm TDS (chlorinated supply only).
- Dimensions: 35cm (L) × 17cm (W) × 18cm (H).
- Tap Compatibility: Male 13/16" (21–22mm) or Female 15/16" (24mm) with included adapter.
Optional Extras
- Plastic Cover Box: Neatly conceals the filters and housing.
- Cover Box with External Spout: Stylish spout replaces the outlet tube.
- Membrane Flushing Valve: Helps prolong membrane life, especially in hard water areas.
Included in the Box
- Fully assembled 4-stage RO unit.
- Soft white tube outlet or optional spout connection.
- Tap connection kit and adapters.
- No tools required for installation.
Performance Highlights
No need to wait hours – this system produces filtered water at twice the speed of many competitors.
Click here for connection and usage guide.
Contaminant Rejection Rates
Typical rejection rates for key contaminants (Dow Filmtec TFC Membrane):
- Fluoride – 96–98%
- Heavy metals – Up to 99%
- Bacteria – >99%
- Refer to full membrane treatment rates here (PDF).
Replacement Filters
Note: Optional countertop spout is only available when selecting the cover box upgrade ($50). Without this, water is dispensed via a soft tube.
Substance Treatment Table
Typical rejection rates using Dow Filmtec TFC membrane:
| Substance | % Rejection | Substance | % Rejection |
|---|---|---|---|
| Aluminium | 96-98 | Fluoride | 98-99 |
| Sodium | 92-98 | Bromide | 90-95 |
| Magnesium | 93-98 | Cyanide | 93-97 |
| Potassium | 92-96 | Sulfate | 96-99 |
| Calcium | 93-99 | Thiosulfate | 96-98 |
| Manganese | 96-98 | Silicate | 92-95 |
| Iron | 96-98 | Silica | 95-98 |
| Copper | 96-99 | Nitrate | 93-98 |
| Nickel | 96-99 | Polyphosphate | 96-98 |
| Cadmium | 93-97 | Orthophosphate | 96-98 |
| Silver | 93-96 | Chromate | 90-95 |
| Zinc | 97-99 | Bacteria | >99 |
| Mercury | 94-97 | Lead | 96-98 |
| Hardness Ca&Mg | 93-97 | Arsenic | 90-98 |
| Radioactivity | 93-97 | Medications | 97-99 |
| Chloride | 92-98 | Chlorofoam | 71-90 |
| Ammonium | 85-90 | Tin (II) Sulfate | 83-87 |
| PCB’s | 97-99 | PBA’s | 96-98 |
Note: Not suitable for unchlorinated water supplies. Ensure your tap has a standard-sized aerator (male 13/16" or female 15/16").
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