The Curalux CLCN GUV18WS is a high efficiency 18 W UV C germicidal fluorescent tube developed for use in dedicated ultraviolet sterilisation equipment. This single ended UV C tube emits powerful short wave UV radiation that is effective at disrupting the DNA and RNA of microorganisms — helping reduce bacteria, viruses and other pathogens when used within appropriately designed units.
This lamp is not intended for general illumination or open area use. Its design and output are optimised for use inside controlled fixtures such as air purifiers, HVAC sterilisation modules, water treatment chambers and enclosed surface disinfection cabinets.
Product
- Description
- Key Features
- How Germicidal UV C Works
- Typical Applications
- Technical Specifications
- Installation & Safety Notes
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• ☀️ UV C Germicidal Emission: Emits ultraviolet C radiation at wavelengths effective for microbial inactivation when used in sealed systems.
• 🔌 18 W Power Rating: Balanced output suitable for compact and medium size disinfection equipment.
• 🛠 Single Ended Fluorescent Tube: Designed with a single end connection format that simplifies installation in compatible fixtures.
• ✔ High Transmission Glass: The tube’s quartz/UV transmissive glass maximises UV C output and efficiency.
• 🔁 Long Service Life: Typical germicidal tubes provide thousands of hours of dependable performance when regularly replaced as recommended.
• 🧴 Wide Application Range: Ideal for enclosed sterilisation of air, water and surfaces in professional and industrial settings.
UV C radiation has enough energy to alter the genetic material (DNA/RNA) of microorganisms such as bacteria, viruses and fungi, preventing them from replicating and rendering them inactive. Because this process does not rely on chemicals, it provides chemical free sterilisation that’s clean and efficient when applied within sealed systems.
⚠️ Safety Warning: UV C light is harmful to eyes and skin. Never operate this lamp where people, animals or plants might be exposed to direct or reflected radiation. Always use this lamp only in sealed fixtures with proper shielding.
This 18 W UV C tube is designed for use in a variety of enclosed UV sterilisation systems, including:
✔ Air Purification Units (HVAC Sterilisation) – helps neutralise airborne microbes as air circulates through ductwork or dedicated purifier housings.
✔ Water Treatment & Clarification Systems – effective in ultraviolet water sterilisation chambers.
✔ Surface Disinfection Chambers – used in cabinets or enclosures for sanitising tools, equipment or packaged items.
✔ Industrial & Laboratory Disinfection Equipment – supports hygiene control requirements in controlled environments.
| Specification | Details |
|---|---|
| Model | CLCN GUV18WS |
| Technology | UV-C Germicidal Fluorescent Tube |
| Power Rating | 18 W |
| Lamp Design | Single Ended Fluorescent Tube |
| UV Output Range | UV-C spectral band (germicidal) |
| Usage | Enclosed UV sterilisation systems |
| Suitable For | Air, water, surface disinfection |
| Safety | Not for direct exposure |
• Only install the CLCN GUV18WS in fixtures specifically designed for UV C disinfection with complete shielding to prevent UV C exposure.
• Never use this lamp in open or occupied areas where people, pets or plants could be exposed to UV C radiation.
• Replace the lamp at regular intervals — most germicidal tubes perform best when replaced annually or according to manufacturer recommendations to maintain optimum UV output.





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