The AD circular fluorescent lamp T9 (22W/4000K/G10Q) is a tri-phosphor ring lamp designed for low energy consumption in domestic and commercial ceiling fittings. Its G10Q base fits standard circular fluorescent fixtures across kitchens, hallways, and office spaces.

The 4000K daylight tone (colour code 840) renders colours faithfully, while a luminous output of 1100 lumens and a rated life of 8000 hours support reliable everyday lighting. The Φ21cm diameter matches the most common T9 ring sizes.

Key Features

• T9 circular fluorescent ring lamp
• G10Q 4-pin base for standard circular fittings
• 22W power for low-energy ambient lighting
• Tri-phosphor tube for stable colour over life
• Diameter Φ21cm matching common T9 fittings

Product Benefits

• 1100 lumens output covers kitchens, hallways, and small offices
• Daylight 4000K (840) tone gives a neutral, productive light
• Tri-phosphor coating keeps colour rendering steady through lamp life
• Rated 8000 hours of standard service for fewer replacements
• Standard G10Q base makes drop-in replacement straightforward

Technical Specifications

• Type: T9 circular fluorescent, tri-phosphor
• Power: 22W
• Colour Temperature: 4000K (840, daylight)
• Luminous Flux: 1100 lumens
• Base: G10Q
• Diameter: Φ21cm
• Rated Life: 8000 hours (standard)

Why You'll Love It

• Standard G10Q fitting drops straight into common ring fixtures
• 4000K daylight tone keeps spaces feeling bright and neutral
• 8000-hour rated life reduces how often you climb up to swap lamps
• Package includes 1x AD circular fluorescent lamp T9 22W/4000K/G10Q