Max Water ULP-4021 Reverse Osmosis 4" x 21" RO Membrane, 950 GPD | For Water Purification Desalination Commercial, Industrial, Agricultural | Compatible with Dow Filmtec TW30-4021

Max Water ULP-4021 Reverse Osmosis 4" x 21" RO Membrane, 950 GPD | For Water Purification Desalination Commercial, Industrial, Agricultural | Compatible with Dow Filmtec TW30-4021

• 💧PREMIUM COMMERCIAL MEMBRANE: The Max Water 4021 membrane features 36 ft² of active membrane area, delivering superior durability and performance over inferior alternatives. Expertly engineered by U.S. specialists, this membrane is tailored for North American water quality, ensuring long-lasting and dependable filtration.
• 💧OPTIMAL PURITY & PERFORMANCE: Our 4" x 21" RO membrane produces up to 950 gallons of purified water per day, with a 99.20% impurity rejection rate. This 0.0001 micron TFC membrane effectively removes heavy metals (like lead and chromium), fluoride, organic contaminants and harmful minerals.
• 💧CHOOSE THE RIGHT MEMBRANE: Ideal operating pressure: 150 PSI (max 600 PSI). Chlorine tolerance: ≤0.1 ppm. Compatible pH range: 3–10. Each membrane model is designed for specific water qualities, so understanding your water chemistry, pressure, and ppm is crucial for selection.
• 💧WIDE COMPATIBILITY: The ULP-4021 reverse osmosis membrane is ideal for whole-house, agricultural, commercial, and industrial water filtration systems. It fits all standard 4" x 21" RO membrane housings and ensures easy integration with leading models like Dow Filmtec TW30-4021 and GE AK4021TF.
• 💧ADVANCED TFC MEMBRANE TECHNOLOGY: Engineered in US based labs, our advanced thin film composite membrane ensures high rejection, fast flow, and long-term durability for both desalination and purification applications. Manufactured under strict ISO 9001 standards.
• 💧BUILT TO LAST – 2 TO 3 YEAR LIFESPAN: Shipped dry and sealed for extended shelf life. This BPA-free membrane is chemical-safe for all water filtration needs. Expected lifespan: 24–36 months depending on feed water quality, temperature and pressure.
• 💙TRUSTED EXPERTISE: With over 15 years in the water filtration industry, Max Water has delivered effective solutions and exceptional customer service to millions of families. Choose Max Water for reliable, high-quality filtration solutions.