KOR (Pack of 6) F8T5- T5 Fluorescent - 8 Watt - 12 Super Lo

The Verdict

If you’ve ever replaced a T5 bulb, you know the pain: one burns out, and you’ve got to buy a two-pack, pay shipping, and wait. The KOR 6-pack of F8T5 8-watt, 12-inch tubes solves that annoyance before it starts. But is it a smart buy for your specific fixture, or just cheap inventory? Let’s break it down.

What You Actually Get

Six individually boxed T5 fluorescent tubes, each rated at 8 watts, 12 inches long (the “Super Lo” in the name refers to the low-profile T5 form factor, not brightness). The pins are standard G5 bases, so they fit the vast majority of under-cabinet kitchen lights, desk lamps, and workshop fixtures that take F8T5. No ballast is included — these are bare tubes, meant to swap into existing fixtures.

Performance and Build Quality

I tested these in a two-bulb under-cabinet fixture with a standard electronic ballast. Flicker was minimal — a soft 1-second warm-up on cold start, then steady output. Color temperature sits around 3000K, which is noticeably warmer than the 4100K you get from typical “cool white” T5s. That’s not a flaw, but it matters: if your other bulbs are bright white, these will look slightly yellow side-by-side.

Build quality is solid for the price. Glass thickness feels comparable to name brands like Philips or Sylvania. The pins are snug, not loose, and I didn’t encounter any bent pins across the six tubes. One buyer noted, “They fit perfectly in my kitchen fixture — no buzzing, no flicker.” That matches my experience.

What Buyers Keep Praising

The dominant theme in the 220 ratings (4.4 stars) is value and reliability. One reviewer wrote, “Bought these for my RV and they work great — no flicker at all.” Another said, “Perfect fit for my desk lamp, and the price for six is better than buying two at the hardware store.” The 6-pack is the real draw here; at typical retail prices, you’re paying roughly half per bulb versus single-unit purchases.

Honest Downsides

No product is perfect, and these have two clear tradeoffs. First, the warm color temperature. If you’re upgrading from incandescent or want daylight-like brightness for detailed work, these will disappoint — they’re better for ambient lighting. Second, some buyers reported premature failure. One reviewer noted, “Two of the six died within three months.” That’s not universal (most report long life), but it’s worth noting the warranty isn’t clearly stated on the listing, so you’re relying on Amazon’s return window.

Also, don’t try to use these with a dimmer switch — T5 tubes require compatible ballasts, and dimming will cause flicker or shorten lifespan. That’s standard for the format, but it’s a frequent source of confusion.

Who Should Buy This

• Homeowners with under-cabinet lighting: If you have multiple T5 fixtures, the 6-pack is a no-brainer for replacements.
• RV and trailer owners: The compact size and low wattage make these ideal for narrow fixtures in mobile homes.
• Budget-conscious DIYers: You’re getting six bulbs for less than the cost of three at a big-box store.

Skip it if you need daylight color (5000K+), have a fixture with non-standard pin spacing, or want a single bulb for a one-off replacement — buy a name-brand single instead.

FAQ

Q: Will these work in a 12-inch under-cabinet fixture from IKEA?
A: Yes, if your IKEA fixture takes F8T5/8W tubes with G5 pins. Check the existing bulb’s base before ordering.

Q: Can I use these in a grow light setup?
A: Technically yes, but the 3000K warm spectrum is not ideal for vegetative plant growth. You’d want a 6500K bulb for that.

Q: How long do they actually last?
A: Most buyers report 1-2 years of regular use (2-4 hours daily). Some have earlier failures, so keep the packaging for potential returns.

The Verdict

Buy it if you need multiple T5 replacements, want to save money on a 6-pack, and don’t mind a slightly warm tone. Skip it if you need precise color temperature or are replacing a single bulb in a high-use fixture.

The KOR 6-pack delivers reliable performance at a price that’s hard to beat. The occasional early failure and warm tint are the only real knocks, but for the cost per bulb, most shoppers will find it a solid value.

Rating: 4.2/5 — A smart bulk buy for the right fixture, with minor caveats on color and consistency.

Where to Buy

👉 Check Price on Amazon →

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.