SYLVANIA F8T5/WW T5 Fluorescent Tube – 8W 12" 3000K Warm White (G5 Mini Bi-Pin Base, 400 Lumens, 7,500-Hour Life)

The SYLVANIA F8T5/WW (8W T5 preheat fluorescent, part 21367 or equivalent) is a compact linear T5 tube with Warm White phosphor for cozy 3000K illumination. Ideal for under-cabinet lighting, task lamps, showcases, sewing machines, small fixtures, or accent applications requiring slim, efficient warm light. Features a G5 miniature bi-pin base, reliable preheat operation, and solid color rendering for everyday use.

Product Specifications

• Wattage: 8W
• Voltage: Operates on standard fluorescent ballast (preheat type required)
• Bulb Shape: T5 Linear (5/8" diameter)
• Base: G5 Miniature Bi-pin
• Color Temperature: 3000K Warm White
• CRI (Color Rendering Index): 52 (standard for Warm White phosphor)
• Initial Lumens: 400 lm
• Mean Lumens: 350 lm
• Average Rated Life: 7,500 hours (at 3 hours/start)
• Dimensions: MOL 11.91 in (≈12 in / 300 mm) × Diameter 16 mm (5/8 in)

Key Features & Benefits

• Warm 3000K light creates inviting, natural ambiance for kitchens, workspaces, or displays
• Compact T5 design fits slim fixtures and under-cabinet setups perfectly
• Energy-efficient fluorescent technology with good output for low-wattage applications
• Preheat operation for reliable starting in compatible ballasts
• Long 7,500-hour life reduces replacement frequency
• Mercury-containing (dispose/recycle responsibly per local regulations)

This SYLVANIA 8W T5 F8T5/WW fluorescent tube provides dependable, warm illumination for residential and commercial task lighting. Pair with a compatible preheat ballast for optimal performance. Consider LED T5 replacements (e.g., 4–6W 3000K direct-wire) for longer life, higher efficiency, no mercury, and better CRI in modern upgrades.