



💧 Purify smarter, not harder — the future of water filtration is here!
The Vontron ULP21-4040 is a cutting-edge reverse osmosis membrane element delivering an impressive 2400 gallons per day at ultra-low operating pressures (600 psi max). Engineered with advanced polyamide technology, it achieves a 98.5% rejection rate while operating at just two-thirds the pressure of conventional membranes, significantly reducing energy and infrastructure costs. Ideal for desalinating surface, underground, tap, and municipal water sources up to 45°C, this membrane is a cost-efficient, high-performance solution for professional and industrial water purification needs.
| ASIN | B07NY1TPNZ |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 357,533 in DIY & Tools ( See Top 100 in DIY & Tools ) 324 in Replacement Under-Sink Water Filters |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 21 Feb. 2019 |
| Item Package Quantity | 1 |
| Item Weight | 4.5 kg |
| Item model number | ULP21-4040 |
| Manufacturer | Finerfilters |
| Material | Polyamide |
| Part number | localization_B07NY1TPNZ |
| Size | 40" x 40" |
I**S
Reads tds spot on
Use these all the time for the price it’s not worth changing the batteries and recalibrating when they run out
Trustpilot
2 weeks ago
1 week ago