About This

• [Energy-Saving & High Flow Performance] This ULP-4040 low pressure RO membrane delivers 2600 GPD daily output and runs steadily at 100–150 PSI to reduce pump power draw, bringing down overall operating costs for commercial water systems. It achieves ~99% salt separation under standard lab conditions (25°C/77°F) and provides stable filtered water output.
• [Designed for Low-Mineral Feed Water] This ULP-4040 water treatment membrane works perfectly with feed water TDS ≤1500 ppm for long-term stable operation, with a maximum feed water tolerance of 2000 ppm, including municipal tap water and low-salinity well water. Stable operating range: 15–45°C (59–113°F), pH 3–10; we recommend installing a carbon pre-filter if raw water contains chlorine.
• [Premium 3-Layer Composite Polyamide Build] The ULP-4040 reverse osmosis filter uses a three-tier spiral-wound composite structure with an ultra-fine 0.0001μm separating core to isolate dissolved salts, colloids and fine particles. Vacuum dry packaging fully protects the membrane core during storage and transportation.
• [Robust & Steady Long-Cycle Performance] The cross-flow anti-scaling layout cuts down frequent cleaning and part replacement to lower long-term operating costs. Its fiberglass reinforced outer shell withstands up to 600 PSI working pressure. As a standard 4"×40" 4040 membrane with actual OD 99.7mm (3.9"), the ULP-4040 maintains consistent filtration for extended service periods.
• [Multi-Scenario Commercial Replacement Membrane] Compatible with all standard 4-inch FRP membrane housings, the ULP-4040 serves as a direct swap for mainstream brand 4040 RO elements. It fits restaurants, hotels, farm irrigation, small factory process water and car wash recycling to meet diverse light industrial filtration needs.
• [Reliable After-Sales Technical Support] Every ULP-4040 reverse osmosis membrane passes strict factory performance testing before shipment. We offer complete installation and maintenance guidance via Amazon internal messages. Feel free to contact our service team for quick, targeted solutions to any product issues you encounter.

Overview

• Material : ULP-4040
• Product Dimensions : 4"D x 4"W x 40"H
• External Testing Certification : NSF
• Product Benefits : ULP-4040 Membrane
• Brand : MARSOMGOR