TECHNICAL SPECIFICATIONS: Filmtec TW30-4021 DOW Reverse Osmosis 4" Element
| SKU / Model | TW30-4021 |
| Product Type | Tap Water RO |
| Membrane Type | Polyamide Thin-Film Composite |
| Active Area | 46 sq ft |
| Permeate Flow Rate | 750 GPD |
| Stabilized Salt Rejection | 98.0% |
| Minimum Salt Rejection | 97.5% |
| Feed Spacer Thickness | 26 mil |
| End Cap Type | iLEC™ Interlocking End Caps |
Operating Conditions
| Maximum Operating Pressure | 300 psi (21 bar) |
| Maximum Operating Temperature | 113°F (45°C) |
| Maximum Feed Flow Rate | 2-8 gpm |
| Maximum Pressure Drop | 13 psi (0.9 bar) |
| pH Range, Continuous Operation | 2-11 |
| pH Range, Short-Term Cleaning | 1-13 |
| Maximum Feed SDI | 5 |
| Free Chlorine Tolerance | <0.1 ppm |
Dimensions & Weight
| Element Diameter | 3.9" |
| Element Length | 21" |
| Weight (Dry) | 4 lbs |
| Weight (Wet) | 5 lbs |
Applications
- Commercial water purification
- Restaurant and food service
- Small industrial RO
- Laboratory water supply
Key Advantages
- Compact 4-inch element
- High flow for its size
- Reliable commercial performance
Test Conditions: Pressure: 60 psi, Recovery: 15%, Feed: 250 ppm NaCl
Specifications provided by DuPont Water Solutions. Contact ForeverPure for pricing and availability.
Questions? Please contact us
