Reverse Osmosis Membrane 50 GPD 11.75 x 1.75 in — Replacement for Under‑Sink RO Drinking Water Systems

Product Title: SANDMONK 50 GPD RO Membrane (1812/2012) — Food-Grade Polyamide, Up to 97% Salt Rejection

Product Overview High-performance reverse osmosis membrane engineered for consistent home water purification. Constructed from food-grade polyamide film to deliver reliable filtration and clear, great-tasting water for residential under-sink RO systems.

Key Features - Food-grade polyamide membrane: Durable, safe filtration material for potable water.
- 50 GPD capacity: Steady water production suitable for typical household use.
- Up to 97% stabilized salt rejection: Effective reduction of dissolved solids for improved water quality.
- Universal 11.75 x 1.75 in size (fits 1812/2012 housings): Compatible with most standard RO systems using a 2-inch housing.
- Optimized for home pressure: Designed to operate efficiently at 60–80 psi for under-sink reverse osmosis systems.
- Manufacturer support: SANDMONK offers product selection and usage assistance to ensure proper installation and performance.

Benefits for Homeowners - Cleaner, safer drinking water: High salt rejection and food-grade materials reduce contaminants and improve taste.
- Compact and compatible: Standard 1812/2012 dimensions make replacement quick and straightforward without system modification.
- Reliable daily output: 50 GPD capacity meets family needs for drinking and cooking without excessive wait times.
- Stable performance under typical household pressures (60–80 psi), minimizing flow fluctuation and downtime.

Compatibility & Specs - Model: 1812/2012 (11.75 x 1.75 inches) — fits 2-inch RO housings
- Capacity: 50 gallons per day (GPD)
- Salt rejection: Up to 97% stabilized
- Material: Food-grade polyamide film
- Recommended operating pressure: 60–80 psi
- Intended use: Residential under-sink reverse osmosis systems

Why Choose This Membrane This SANDMONK membrane combines food-grade construction with consistent salt rejection and industry-standard sizing to provide a dependable, easy-to-install replacement for most household RO units. Backed by manufacturer support, it helps ensure correct selection and continued performance.

Customer Support SANDMONK specializes in RO membranes compatible with a wide range of water filter systems. Contact our support team for help choosing the right membrane or troubleshooting installation and operation.