Bring crisp, bright, shadow-free illumination back to your low-profile ceiling fixtures with our premium 2GX13 T5 Circline 22W Circular Fluorescent Lamp.
Utilizing the highly efficient 840 industry color code, this ring-shaped lamp delivers a refreshing 4000K Cool White light that enhances visual clarity and focus.
Its specialized circular ring form factor disperses light evenly at a 360-degree radial angle. This design completely eliminates the harsh shadows and dark center spots typical of standard linear bulbs.
Built with an ultra-slim 16mm tube diameter and a 225mm overall ring width, this lamp is equipped with a secure 2GX13 4-pin connection (with 2 pins opposing each other on either side of the mounting band) to fit snugly into modern Kiwi light fittings.
Key Features
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Edge-to-Edge Radial Glow: Uniform circular structure distributes light cleanly to every corner of the room.
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Refreshing 4000K Output: Optimal for task-heavy spaces, providing clean illumination without any yellow or clinical blue undertones.
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Compact Slimline Profile: The 16mm ring glass thickness is designed specifically for slim architectural Oyster fixtures.
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Dimmable Capability: Fully supports smooth dimming functions when connected to a compatible dimmable electronic ballast.
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Vibrant Color Rendering: Rated at CRI 80+ to ensure indoor textures, paints, and surfaces display accurately.
Technical Specifications
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Wattage: 22W
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Voltage: 230V / 240V
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Base Type: 2GX13 (4-Pin / Split 2x2 layout on the structural band)
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Color Temperature: 4000K (Cool White / 840 Code)
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Light Output: Approx. 1800 to 1900 Lumens
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Tube Diameter: 16mm
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Outer Ring Diameter: 225mm
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Average Lifespan: Up to 12,000 hours
Replacement Scope & Compatibility
This 22W T5 ring light is a universal drop-in replacement part for high-end European-style fixtures across New Zealand.
Cross-Brand Compatibility Guide
You can use this bulb to replace any of the following 22W 2GX13 (840 / 4000K) manufacturer models:
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Philips: MASTER TL5 Circular 22W/840
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Osram: LUMILUX T5 FC 22 W/4000 K (FC 22W/840)
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Sylvania: T5 CIRCLINE PLUS 22W/840
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Radium: Bonalux Ring NL-T5 22W/840C/2GX13
Common Applications in New Zealand
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Residential Homes: Often installed inside kitchen flush-mounts, pantries, utility rooms, walk-in wardrobes, and modern bathroom mirror surrounds.
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Commercial Properties: Ideal for commercial office breakrooms, waiting lobbies, retail dressing rooms, and aesthetic task spaces.
Important Installation Notes for Customers
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Verify the Pins: This bulb uses a 2GX13 base (pins are split into pairs of two on opposite sides of the lamp socket). It will not fit older, thicker T9 fixtures that use a centralized 4-pin block (G10q base).
