Under Kitchen Sink Filter – Anti-Scale Active Carbon Filter for Boiling Water Dispenser Systems
Premium Under Sink Water Filter for Limescale Prevention & Clean Drinking Water
Looking for a compact, high-performance under sink filter that prevents limescale and delivers cleaner, healthier water? Our Under Kitchen Sink Filter (Model LS5001051) combines powerful anti-scale FOF media with active carbon filtration to provide long-lasting protection for your boiling water tap or under-sink water dispenser.
Manufactured by Xiamen Smart Water Technology Co., Ltd., a trusted supplier of OEM/ODM under-sink water systems, this filter is engineered to meet international quality standards and is ideal for kitchen water treatment solutions.
Key Features
- Dual-Action Filtration: Removes chlorine, sediment, odors, and harmful chemical contaminants while also preventing scale buildup.
- Anti-Scale FOF Technology: Effectively alters calcium carbonate crystals at the molecular level, stopping limescale before it forms.
- Easy Installation: Equipped with a standard 3/8" or 1/4" quick connector for effortless connection to water lines and hot water dispensers.
- Tool-Free Cartridge Replacement: No need to shut off the valve or call a plumber. The twist-off design allows for easy filter changes.
- Compact & Space-Saving: Small footprint-just 30cm height x 5.3cm diameter-fits comfortably under most kitchen sinks.

Specifications
- Model: LS5001051
- Filter Media: PP cotton, FOF anti-scale material
- Function: Anti-scale, chemical & sediment filtration
- Working Pressure: 1.5 - 5 bar
- Working Temperature: 5°C - 38°C
- Flow Rate: 3.8 liters/min
- Replacement Cycle: Every 6 months or 2,000 liters
- Installation Type: Under-sink, quick connector

Why Choose Our Under Sink Filter?
- Extend Appliance Lifespan: Protects your boiling water dispenser tank from scale buildup and corrosion.
- Healthier Drinking Water: Enhances taste and removes common tap water impurities for better health.
- Perfect for Hard Water Areas: Ideal for regions with high TDS or mineral-heavy water sources.
- OEM/ODM Customization Available: We offer branding, custom design, and packaging solutions for global partners.

FAQs – Under Sink Water Filter Everything You Need to Know

Q1: Does this filter purify both hot and cold water?
A: It depends on your system. Our 3-in-1 system does not filter cold water, while our 4-in-1 system does.
Q2: I live in a hard water area. Is this filter enough?
A: For very hard water (TDS ≥ 500), we recommend pairing this filter with an RO (Reverse Osmosis) system for optimal performance.
Q3: How often do I need to change the filter cartridge?
A: Every 6 months or after filtering 2,000 liters, whichever comes first. Timely replacement maintains warranty and performance.
Q4: Can I customize the filter design for my brand?
A: Yes. We support full ODM customization, including logo printing, packaging, and filter specifications.
Q5: Is it easy to install or replace the filter?
A: Absolutely. No tools or plumber required. The filter uses quick connectors and a plug-in system for effortless maintenance.
Partner with Us – OEM, ODM & Global Distribution Welcome
Xiamen Smart Water Technology Co., Ltd. is a leading under-sink water system manufacturer in China, supplying world-renowned brands with high-quality water filtration solutions. We are actively seeking global wholesale, distribution, and private label (ODM) partners. With advanced R&D capabilities and a commitment to quality, we help your brand deliver safe and enjoyable drinking water to customers worldwide.







