Clean and Pure Bacteria Free Water

Ultraviolet Filters

In Addition to sterilization, it removes 95% of the chlorine, 98% of heavy metals, and chemical substances and stops the growth of bacteria by KDF media.

NATIONALGREEN Triple Ultraviolet Filter White

Easy Installation

Requires no technical expertise for installation. It can be fitted over and under the sink.

Multiple options

A variety of different options available for individual requirements.

High Quality

Employes the best UV lamp technology for maximum efficacy.

NATIONALGREEN Triple Ultraviolet Filter Blue


NATIONALGREEN Triple Ultraviolet Filter White


Low-pressure mercury lamps have the widest range of applications. Standard low-pressure mercury lamps offer the highest efficiency with 40% of the lamp’s electrical power converted into UVC radiation at 253-255 nm, while high-output mercury lamps provide approximately twice the UVC output. 

Our low-pressure mercury lamps have an exceptionally long operating life of up to 10,000 hours.

NATIONALGREEN Ultraviolet Lamp

Feed Water Parameter:
Turbidity: 1 NTU (max)
Chlorine Levels: 0.5 PPM (max)
Temperature Range: 100oF (37.5oC)
Line Pressure Range: 10 to 40 psi (0.7 to 2.8 bar)

Voltage: 220Vac, 50Hz (Optional 110v)
Operating temperature: -4°F – 122°F (-20°C-50°C)
Effective measurement: ≥38ml/cm²
Wavelength: 254nm
Sterilization rate: 99.9%
Lamp life: Approx. 10,000 hours
Transmittance (UVT): ≥80% Turbidity



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