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Under Sink Water Purifiers

Under Sink Water Purifiers

-- Steady & Reliable Manufacturer --

Under sink water purifiers are compact and efficient appliances designed to provide safe, clean, and great-tasting drinking water directly from your kitchen tap. Installed discreetly beneath the sink, these purifiers save counter space while delivering high-quality purified water for drinking, cooking, and beverage preparation.

Most under sink models feature multi-stage filtration systems, including sediment filters, activated carbon, and advanced membranes such as reverse osmosis (RO) or ultrafiltration (UF), effectively removing impurities, chlorine, heavy metals, and microorganisms. Many units also include convenient features such as filter replacement indicators, easy-to-use faucets, and adjustable water flow, making daily operation simple and reliable.

Constructed with food-grade materials and sealed water pathways, under sink water purifiers prioritize hygiene and safety. Their durable design, energy-efficient performance, and compact footprint make them an ideal choice for modern kitchens, providing consistent access to purified water without compromising space or convenience.

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Specification

Parameter Description Specification Range Unit Application Notes Compliance
Model Number Specific product model or series USWP-100, USWP-200, USWP-300 – Identifies unique model configuration CE, RoHS
Filtration Stages Number of purification stages 3–7 – Includes sediment, carbon, RO/UF membrane, and post filter NSF, WQA
RO/UF Membrane Capacity Daily purification rate 50–200 GPD (gallons per day) Determines daily water output NSF
Water Tank Capacity Storage capacity of purified water 3–12 L Optional storage tank depending on model –
Water Source Compatibility Compatible water types Tap water, Municipal water – Suitable for standard household water supply NSF
Voltage Electrical input voltage 110 / 220 V Region-specific CE
Frequency Electrical frequency 50 / 60 Hz Compatible with local power supply CE
Material Main construction and water-contact parts Stainless steel, ABS plastic – Ensures hygiene and durability RoHS
Dimensions (L×W×H) Physical size of the unit 300×150×400 mm Compact for under-sink installation –
Safety Features Protection mechanisms Auto shut-off, Leak detection, Overpressure protection – Ensures safe operation CE
Filter Replacement Indicator Alerts for filter changes LED / Digital / Manual – Supports timely maintenance –
Net Weight Weight of the purifier 5–8 kg Compact and manageable for installation –

About us

WE FOCUS ON THE DRINKING WATER HEALTHY

NINGBO PENOSO ELECTRIC APPLIANCE CO., LTD. which specializes in the production of home appliances such as water dispensers, water purifiers, tea bar machines and other small appliances. Wholesale Under Sink Water Purifiers Suppliers , The company has independent intellectual property rights and more than a dozen proprietary technology, and an experienced R&D team, equipped with advanced production lines and accurate detection and test equipment, nowadays the company has an annual productivity of water dispensers, water purifiers and water treatment equipment of various specifications of more than 600,000sets.

The enterprise has a homelike office environment and production workshop. As Under Sink Water Purifiers factory, it has passed and been implementing the standards of ISO9001 International Quality System in earnest, carrying out precise management of each production process. The products obtain and complete accord with the standard of the CCC certificate and a number of international standards certificates, such as CE, CB, SASO, SONCAP, etc., Besides the domestic market, products have been also well selling in overseas markets: South America, Africa, Southeast Asia, Eastern Europe and the Middle East.

The enterprise abides by the management concept of "Quality Casting Brand" and always puts the quality of products in the first place. Depending on the humanized management and enterprise culture, the enterprise keeps constant improvement and innovation, to make the products more and more competitive in the markets.

Facing the future, we will continue to manufacture every product carefully, to win customers' trust and recognition with honest and pragmatic services!


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Features & Advantages

  • Space-Saving: Installs neatly under the sink, keeping countertops clear.
  • Effective Filtration: Equipped with advanced filters that remove contaminants like chlorine, heavy metals, and pesticides.
  • Easy Access: Easily accessible for filter changes and maintenance.
  • Affordable Solution: Offers a cost-effective solution for homes and small offices.

  • Space-Saving Installation：Installed discreetly under the sink, these purifiers save countertop space while providing easy access to clean drinking water.

  • Multi-Stage Filtration：Equipped with sediment, activated carbon, and advanced RO/UF membranes, effectively removing impurities, chlorine, heavy metals, and microorganisms.

  • High-Quality Water Output：Delivers safe, clean, and great-tasting water suitable for drinking, cooking, and beverage preparation.

  • User-Friendly Features：Many models include filter replacement indicators, easy-to-use faucets, and adjustable water flow for convenient daily operation.

  • Hygienic and Durable Construction：Made with food-grade materials and sealed water pathways to ensure safety and long-lasting performance.

Why Choose Us

Choosing our under sink water purifiers means selecting a manufacturer with extensive experience in household appliances, advanced production capabilities, and a strong commitment to product quality. With independent intellectual property rights and over ten proprietary technologies, we specialize in water purifiers, water dispensers, tea machines, and other small household appliances.

Our dedicated R&D team focuses on designing compact, high-performance under sink water purifiers that provide safe, clean, and great-tasting drinking water directly from your kitchen tap. Each unit undergoes rigorous testing for filtration efficiency, water safety, and long-term reliability, ensuring consistent performance.

By choosing our products, customers benefit from user-friendly operation, hygienic construction with food-grade materials, and smart features such as filter replacement indicators and easy-to-use faucets. Our under sink water purifiers offer a practical, energy-efficient, and reliable solution for modern kitchens, offices, and small commercial spaces.

FAQ

  • Q: Is installation difficult?
  • A: No, the system is easy to install with basic plumbing skills or by a professional plumber.
  • Q: How often should I change the filters?
  • A: Filters should be replaced every 6-12 months, depending on water quality and usage.
  • Q: Can it be used for all types of tap water?
  • A: Yes, the system works effectively with most municipal tap water sources.
  • Q: What is an under sink water purifier?
  • A: An under sink water purifier is a compact filtration system installed beneath the kitchen sink, providing safe, clean, and great-tasting drinking water directly from the tap.
  • Q: What types of filtration do under sink water purifiers use?
  • A: Most models use multi-stage filtration including sediment filters, activated carbon, and advanced membranes such as RO (reverse osmosis) or UF (ultrafiltration) to remove impurities and contaminants.
  • Q: How often do I need to replace the filters?
  • A: Filter replacement depends on water usage and quality. Many models include indicators to notify when filters need changing for optimal performance.
  • Q: Can under sink water purifiers be installed in small kitchens?
  • A: Yes, their compact design allows installation beneath most sinks, saving counter space while providing convenient access to purified water.
  • Q: Are under sink water purifiers safe for family use?
  • A: Yes, they are made with food-grade materials, sealed water pathways, and often include safety features such as auto shut-off and leak protection for reliable operation.
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