PROBLUE RO - Reverse Osmosis membrane + housing
| Product picture | Model | Endcaps Types | Length | Area | Flow | Rejection | Product sheet |
 | PROBLUE RO TW4014 025 XLE HF | 4" | 14" | 25 ft² | 850 gpd (3,22 m3/d) | 98,5 % (nominale) 97,5% (minimo) |  |
 | PROBLUE RO TW4021 045 XLE HF | 4" | 21" | 45 ft² | 1600 gpd (6,06 m3/d) | 98,5% (nominale) 97,5% (minimo) | |
 | PROBLUE RO TW4040 105 XLE HF | 4" | 40" | 105 ft² | 3700 gpd (14,0 m3/d) | 98,8% nominale 98,0% (minimo) | |