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💧 Pure water, pure power — filter like a pro, sip like a boss.
The Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane is a high-performance, food-grade Thin Film Composite filter designed for home and light commercial water purification. It delivers up to 400 gallons per day with a 97% stabilized salt rejection rate, removing over 99% of contaminants including heavy metals and nitrates. Compatible with standard 3012 RO housings, this membrane is NSF/ANSI 58 certified, shipped dry for convenience, and offers a lifespan of 2-3 years depending on water quality.












| ASIN | B071SGLF18 |
| Best Sellers Rank | #10,976 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 in Replacement Under-Sink Water Filters |
| Brand Name | Membrane Solutions |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,239) |
| EU Spare Part Availability Duration | 2 years |
| External Testing Certification | NSF |
| Global Trade Identification Number | 00850071881868 |
| Item Dimensions D x W x H | 3"D x 3"W x 12"H |
| Item Weight | 16 ounces |
| Manufacturer | Membrane Solutions Corp |
| Manufacturer Part Number | unknown |
| Material Type | Polyamide Thin-Film Composite |
| Model Number | ROULP-3012-400 |
| Number of Items | 1 |
| Product Benefits | Reduces TDS |
| UPC | 850071881868 |
| Unit Count | 1 Count |
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