SALES
99.5% Salt Rejection • 2250 GPD • 150 PSI • Commercial / Industrial Grade
The Sandmonk BW-ULP4040 is a high-capacity commercial and industrial reverse osmosis membrane rated for approximately 2250 gallons of purified water per day (about 93.8 gallons / 355 liters per hour). Built for brackish water desalination, wastewater recycling, irrigation, and industrial process water, it delivers reliable performance even in demanding, high-salinity applications. Actual water treatment flux depends on water pressure and hardness.
| Brand | Sandmonk |
| Model / MPN | BW-ULP4040 (also BW-RU4040) |
| Size | 4 in x 40 in (1 Pack) |
| Salt Rejection | ~99.5% |
| Capacity | ~2250 GPD |
| Operating Pressure | 150 PSI |
| Color | White |
| Item Dimensions | 4.0 x 4.0 x 40.0 in |
New — Functional, no damage, no missing parts, in package. Assembly required (installs into your RO housing).
Fast shipping from sunny Arizona! Thank you for shopping with AZ Sun Valley Sales.
| Type | Water Filter |
| Brand | Sandmonk |
| Compatible Brand | Sandmonk |
| Item Height | 40 in |
| Number in Pack | 1 |
| Model | Sandmonk BW-ULP4040 |
| Compatible Model | BW-ULP4040, BW-RU4040 |
| Material | Plastic |
| Filtration Method | Reverse Osmosis |
| Suitable For | Commercial |
| Contaminant Removal | Micro-Organisms |
