Upgrade or replace your square-profile lighting with our reliable
2D 28W 4-Pin Compact Fluorescent Lamp. Featuring the widely used
835 colour code, this bulb emits a crisp, neutral
3500K light (often classified as Standard Warm White or Neutral White). It delivers bright, even illumination across any room without leaving harsh dark spots or shadows at the edges.
Engineered with a low-profile design and a GR10q 4-pin base, this energy-saving lamp requires an external ballast inside your existing fixture. It is a long-lasting, cost-effective choice for both residential properties and demanding commercial environments across New Zealand.
Key Features
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Uniform Light Coverage: Unique 2D shape spreads light evenly, eliminating shadows.
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Balanced 3500K Colour: A clean, productive light that bridges cozy warm white and bright daylight.
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High Color Rendering: Rated CRI 80+ for accurate, natural colour representation.
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Energy Efficient: Low 28W energy use while pumping out over 2050 lumens of brightness.
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Long Lifespan: Rated for up to 8,000–10,000 operational hours.
Technical Specifications
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Wattage: 28W
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Voltage: 230V / 240V
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Base Type: GR10q (4-Pin)
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Colour Temperature: 3500K (Standard White / Neutral / Light Cool White)
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Light Output: ~2050 – 2150 Lumens
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Dimmable: No
- Approx. Dimensions: ~202mm x 204mm (Face) x 26.8mm (Depth)
Replacement Scope & Compatibility
This 4-pin 28W bulb is a universal drop-in replacement part designed to swap straight into existing fixtures across New Zealand.
Cross-Brand Compatibility Guide
You can confidently use this bulb to replace any of the following 28W 4-Pin (835 / 3500K) manufacturer models:
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GE / Tungsram: Biax 2D 28W 4-Pin 3500K / 835
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Osram: Dulux 2D 28W/835 GR10q
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Philips: Master PL-Q 28W/835/4P
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Sylvania: Lynx 2D 28W 835 4-Pin
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Radium: Brio 2D Fluorescent Lamp 28W 835 4 Pin
Common Applications in New Zealand
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Residential Spaces: Low-profile ceiling lights, kitchen light tracks, and large bathroom vanity/mirror fixtures.
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Commercial Buildings: Stairwells, office hallways, lift lobbies, and public corridors.
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Security & Safety: Indoor/outdoor surface-mount bulkhead fixtures and commercial exit emergency lighting tracks.
Important Installation Notes for Customers
- Check the Pins: This is the 4-pin version (GR10q). If your old bulb has only 2 pins, this item will not fit your socket.
