Lan Shan 400 GPD LSRO Water Purifier
The Lan Shan LSRO-400G is a high-capacity light commercial reverse osmosis (RO) water purifier designed in Taiwan. It features a production capacity of 400 gallons per day (GPD), making it suitable for large households, offices, and small industrial settings.
Technical Specifications
According to manufacturers and retailers like BD Water Purifier and City Water Purifier the system includes:
- Production Capacity: Approximately 60 liters per hour (LHP) or 400 GPD.
- Storage Tank: Typically comes with an 11-gallon (40-liter) NSF-certified pressure tank.
- Filtration Stages: Standard models use a 5-stage process, though some variants offer 6 stages with added mineral filters.
- Membrane Technology: Uses an RO membrane sourced from the USA.
- Dimensions: Approximately 85 x 46 x 30 cm.
- Pump System: Often equipped with dual 24V DC booster pumps to maintain high pressure (up to 130 PSI) for steady output.
Filtration Process
The system utilizes a multi-stage approach to remove up to 99% of impurities, including heavy metals, bacteria, and chemicals:
- Sediment Filter: Removes large particles like rust, sand, and dust.
- Granular Activated Carbon (GAC): Absorbs chlorine, odors, and organic contaminants.
- Carbon Block Filter (CTO): Further reduces volatile organic compounds (VOCs) and improves water clarity.
- RO Membrane: The core filter (0.0001 micron) that eliminates microscopic impurities, bacteria, and viruses.
- Post-Carbon Filter: Polishes the water to remove any remaining taste or odor before it reaches the faucet.
Lan Shan 400 GPD Water Filter Price in Bangladesh
The current market price in Bangladesh for this model ranges from ৳55,500 to ৳68,000, depending on the retailer and specific configuration.
Features:
- Reverse osmosis Technology
- 100 % Pure Water
- 5 Purification Stage
- Reserve Capacity 25-30 Liter
- 400 GPD
- 1 Years of Electric Parts Replacement Guarantee
- Taiwan Technology
- Durability
The Lan Shan 400 GPD is a reliable choice for commercial needs due to its high volume output and USA-sourced membrane technology, though it requires more space than standard under-sink household models.






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