Introduction
At Lefilter, we're not just manufacturing filter cartridges - we're revolutionizing fluid processing across industries. As a vertically integrated Chinese manufacturer with state-of-the-art production facilities, we've engineered our ultra-high flow filter cartridges to deliver unprecedented flow rates, exceptional dirt-holding capacity, and unmatched longevity.
Discover why leading global enterprises trust our filtration solutions for their most demanding applications.
Performance Characteristics
1. Flow Rates Up to 800 GPM - Process more fluid with fewer cartridges
2. Nanofiber Enhanced Media - Combines depth loading with surface capture efficiency
3. Asymmetric Pleat Design - 40% more media area than standard pleated filters
4. Dual-Layer Construction - Coarse pre-filter layer with precision final filtration
5. Anti-Microbial Treatment - Optional silver-ion treatment for biofilm prevention
Specialized Material Systems
For Superheated Steam Applications:
Media: PTFE laminated stainless steel mesh
Core: Inconel 625 perforated tube
Seals: Expanded graphite
For Cryogenic Processing:
Media: Specialty polymer nanofibers
Core: Titanium alloy
Seals: Low-temperature fluorosilicone
For High-Purity Electronics:
Media: Ultra-low extractable polyethersulfone
Core: Electropolished 316LVM stainless steel
Seals: Double O-ring fluorocarbon
Application
Energy Sector Innovations
Produced Water Treatment: 3-stage coalescing cartridges with oil-repellent media
LNG Processing: Cryogenic-rated -200°C to +150°C operation
Carbon Capture: Chemical-resistant CO2 absorption media
Biopharma Breakthroughs
Single-Use Bioreactors: Gamma-stable, DNA-free construction
Vaccine Production: USP Class VI compliant, endotoxin-free
Gene Therapy: 0.1μm ultra-filtration solutions
Food Tech Advancements
Plant-Based Proteins: High-viscosity shear-resistant design
Alternative Dairy: CIP-resistant, flavor-neutral materials
Cellular Agriculture: Sterile-grade, low extractables
Why Choose Us
✅ Proprietary Manufacturing Processes - Including laser pleating and ultrasonic welding
✅ In-House Testing Laboratory - Full characterization of every production batch
✅ Digital Twin Technology - Virtual performance modeling before production
✅ Circular Economy Program - Take-back and recycling initiative
✅ Global Technical Support - 24/7 engineering assistance
Product Range

Our cutting-edge Reverse Osmosis Membrane utilizes ultra-thin composite polyamide technology to achieve unmatched filtration efficiency, rejecting over 99.5% of dissolved solids, microplastics, pesticides, and viruses. Designed for high-pressure stability, it ensures consistent pure water output with minimal fouling risk. The membrane’s spiral-wound configuration maximizes surface area, enhancing flow rates while reducing energy use. Compatible with desalination, wastewater reuse, and drinking water systems, it meets NSF/ANSI standards for safety and performance. With anti-clogging coatings and a robust construction, it guarantees extended durability even in harsh conditions. Choose innovation—choose sustainability with our RO membrane.