SunSun UV-C 7W Replacement Bulb – G23 2-Pin UV Lamp

The SunSun UV-C 7W Replacement Bulb is a high-quality replacement lamp designed for 7W UV-C sterilisers. Compatible with SunSun UV units and most other 7W UV-C sterilisers using a G23 2-pin fitting, it emits 254 nm UV-C light, the optimum wavelength for reducing suspended algae, harmful bacteria, and other microorganisms in aquarium and pond water.

Designed for dependable, long-lasting performance, the bulb has a maximum service life of 10,000 hours and retains approximately 85% of its UV output after 8,000 hours of operation. To maintain maximum sterilisation efficiency, it is recommended to replace the bulb every 10–12 months, even if it still emits visible light.

Key Features

• Genuine 7W UV-C replacement bulb
• Compatible with most 7W UV-C sterilisers
• Standard G23 2-pin fitting
• Emits 254 nm UV-C germicidal wavelength
• Helps reduce green water, algae, bacteria, and harmful microorganisms
• Maximum service life of 10,000 hours
• Retains approximately 85% UV efficiency after 8,000 hours
• Easy to install replacement lamp

Benefits

• Restores optimum UV steriliser performance
• Helps maintain crystal-clear aquarium and pond water
• Supports effective algae and microorganism control
• Reliable, long-lasting operation
• Suitable for a wide range of compatible UV-C sterilisers

Replacement Recommendation

For optimum UV sterilisation performance, replace the bulb every 10–12 months, even if it still illuminates, as UV-C output gradually decreases with normal use.

Technical Specifications

• Brand: SunSun
• Product Type: UV-C Replacement Bulb
• Power: 7W
• Bulb Base: G23 2-pin
• Wavelength: 254 nm
• Overall Length: 13.5 cm
• Maximum Service Life: 10,000 hours
• UV Efficiency After 8,000 Hours: Approximately 85%
• Compatible With: Most compatible 7W UV-C sterilisers