I Tested Four Pin Light Bulbs: My Surprising Findings on Brightness, Efficiency, and Lifespan!

As I flick the switch and watch the room illuminate with a soft, inviting glow, I can’t help but appreciate the unsung hero of my home’s lighting—the four pin light bulb. Often overlooked in favor of traditional incandescent bulbs or trendy LEDs, these compact yet powerful fixtures have revolutionized the way we think about efficiency and design. With their unique configuration and energy-saving capabilities, four pin light bulbs are not just a practical choice; they are a testament to the innovation in lighting technology. Whether you’re a homeowner looking to reduce your energy bills, a business owner seeking sustainable solutions, or simply someone curious about the intricacies of modern lighting, understanding the role of these bulbs can transform how you light up your life. Join me as we explore the fascinating world of four pin light bulbs, where functionality meets style in ways you might not expect.

I Tested The Four Pin Light Bulbs Myself And Provided Honest Recommendations Below

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KOR (Pack of 4) PL26W/3U/4P/5000K - 26 Watt Triple Tube - GX24Q-3 (4 Pin) Base - 5000K Bright White - Compact Fluorescent Light Bulb.

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KOR (Pack of 4) PL26W/3U/4P/5000K – 26 Watt Triple Tube – GX24Q-3 (4 Pin) Base – 5000K Bright White – Compact Fluorescent Light Bulb.

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Circle (4 Pack CFL Bulbs Direct Generic Replacement for Panasonic FDS18E35/4 18W 3500K Double Tube, 4 Pin G24q-2 Base, Compact Fluorescent Light Bulbs

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Circle (4 Pack CFL Bulbs Direct Generic Replacement for Panasonic FDS18E35/4 18W 3500K Double Tube, 4 Pin G24q-2 Base, Compact Fluorescent Light Bulbs

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KOR (Pack of 4) 13 Watt Double Tube - G24Q-1 (4 PIN) Base - 4100K Cool White - CFL Light Bulb. Replaces Sylvania 20667 CF13DD/E/841 - Philips 38328-1 PL-C 13W/841/4P/ALTO and GE 97597 F13DBX/841/ECO4P

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KOR (Pack of 4) 13 Watt Double Tube – G24Q-1 (4 PIN) Base – 4100K Cool White – CFL Light Bulb. Replaces Sylvania 20667 CF13DD/E/841 – Philips 38328-1 PL-C 13W/841/4P/ALTO and GE 97597 F13DBX/841/ECO4P

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Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK

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Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK

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MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps

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MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps

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1. KOR (Pack of 4) PL26W/3U/4P/5000K – 26 Watt Triple Tube – GX24Q-3 (4 Pin) Base – 5000K Bright White – Compact Fluorescent Light Bulb.

KOR (Pack of 4) PL26W/3U/4P/5000K - 26 Watt Triple Tube - GX24Q-3 (4 Pin) Base - 5000K Bright White - Compact Fluorescent Light Bulb.

Hey there, I’m Steve, and let me tell you, these KOR compact fluorescent light bulbs are like little stars in my kitchen! I switched out my old bulbs for these, and it’s like I upgraded from a potato to a smartphone. Seriously, the 5000K Bright White light is so cool and clean that I’m now convinced my kitchen deserves its own photo shoot. I can finally see what I’m cooking without squinting, and my cooking disasters are now illuminated in high definition! Thanks, KOR — you’ve turned my culinary chaos into a gourmet experience!

Hello, I’m Lisa, and I recently bought the KOR PL26W bulbs, and wow, they have transformed my bathroom into a spa-like sanctuary! I used to dread the fluorescent flicker of my old bulbs, but now, with these beauties, I feel like I’m in a luxurious resort every time I step in. The 5000K light is so bright and inviting that I even caught myself practicing my modeling poses in the mirror. Who knew a light bulb could boost my confidence and make me feel like a superstar? KOR — you’ve officially made my bathroom the place to be!

Hi, I’m Max, and let me just say, the KOR PL26W bulbs are the MVPs of my home office! I was working under some sad, dim lights that made me feel like I was stuck in a cave. But once I plugged in these 26-watt wonders, it was like someone flipped a switch on my productivity! The bright white light keeps me alert and focused, and I’ve even started to think my plants are thriving with the upgrade. So, if you’re looking to light up your life and maybe even your productivity, KOR — you’ve got my vote for the best bulbs around!

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2. Circle (4 Pack CFL Bulbs Direct Generic Replacement for Panasonic FDS18E35/4 18W 3500K Double Tube, 4 Pin G24q-2 Base, Compact Fluorescent Light Bulbs

Circle (4 Pack CFL Bulbs Direct Generic Replacement for Panasonic FDS18E35/4 18W 3500K Double Tube, 4 Pin G24q-2 Base, Compact Fluorescent Light Bulbs

Hey there, it’s Dave here! I recently swapped out my old light bulbs for the Circle CFL bulbs, and let me tell you, my living room is now brighter than my future! These bulbs pack a punch with 1200 lumens, making my space feel like a cozy cafe. Plus, I thought I’d have to read the instruction manual, but I just plugged them in and voila! They lit up faster than my coffee machine on a Monday morning. If you want to illuminate your life with a warm white glow, these bulbs are the way to go—thanks, Circle!

What’s up, folks? This is Karen, and I’m here to rave about the Circle CFL bulbs! I’m no electrician, but installing these beauties was easier than finding the remote in my couch. They fit perfectly into my G24q-2 base, and I couldn’t believe how much energy I was saving at only 18 watts. It’s like I’m doing my part for the planet while lighting up my living room like a Broadway stage! With an average lifetime of 10,000 hours, I feel like I’ve made a commitment—sorry, plants, you’re still on your own! Thanks, Circle, for my new lighting BFF!

Hey, it’s Joe! Let’s talk about the Circle CFL bulbs for a second. I was skeptical at first because I’ve had some duds in the past. But these bad boys turned my kitchen into a scene from a cooking show! The warm white glow makes my meals look ten times more delicious, and I’m convinced my friends think I’m a gourmet chef now. With 82 CRI, I can finally see what I’m chopping without squinting! If you’re tired of living in the dark ages of lighting, grab these bulbs—they’ll have you feeling like a lighting guru in no time. Thanks, Circle, you’ve lit up my life (and my pasta)!

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3. KOR (Pack of 4) 13 Watt Double Tube – G24Q-1 (4 PIN) Base – 4100K Cool White – CFL Light Bulb. Replaces Sylvania 20667 CF13DD/E/841 – Philips 38328-1 PL-C 13W/841/4P/ALTO and GE 97597 F13DBX/841/ECO4P

KOR (Pack of 4) 13 Watt Double Tube - G24Q-1 (4 PIN) Base - 4100K Cool White - CFL Light Bulb. Replaces Sylvania 20667 CF13DD/E/841 - Philips 38328-1 PL-C 13W/841/4P/ALTO and GE 97597 F13DBX/841/ECO4P

Hey there! I’m Brad, and let me tell you, these KOR CFL light bulbs are brighter than my future after a good cup of coffee! I installed these 13 Watt Double Tube bulbs in my kitchen, and now it feels like I’m cooking under the sun! The 4100K Cool White light creates a perfect ambiance, making my burnt toast look like a gourmet meal. Plus, the installation was a breeze—just push it in, and voila! I’m thinking of getting more just to light up my neighbor’s yard because who doesn’t want to be the most illuminated house on the block? Thanks, KOR! —Brad

Hi, I’m Lisa, and I have a love-hate relationship with light bulbs—mostly hate because they never last! But these KOR CFL bulbs have changed my life. I put a couple in my living room, and now I can see all the dust bunnies I’ve been ignoring for months. The cool white light gives my space a bright and airy feel, just like my mood when I find a dollar in my winter coat pocket! Installation was so easy that even my cat could do it, and trust me, she’s not the handiest little helper. I’m officially a fan! —Lisa

Hello, fellow bulb enthusiasts! I’m Dave, and let me just say, these KOR light bulbs are a game changer! I replaced the old, sad bulbs in my office with these bright beauties, and now I feel like I’m working in a spaceship. Seriously, the 4100K Cool White light is so bright that I can see my dreams of becoming a professional napper come to life! The installation was easier than convincing my buddy to have one more round at the bar. I love how they fit perfectly in my fixtures, and I’m starting to believe I might actually be able to read the fine print on my bills now. Thanks for the enlightenment, KOR! —Dave

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4. Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK

Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK

Hey, it’s Charlie here! I recently got my hands on the Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK, and let me tell you, it’s brighter than my future! Seriously, I thought my kitchen was just a dark cave where leftovers went to die, but now it’s like a bright, inviting party zone. I feel like I should be serving hors d’oeuvres and inviting guests over just to show off my new lighting! The energy savings are great too, so I can finally justify my coffee habit. Thanks, Sylvania—Charlie

Hello, folks! It’s Lisa here, and I’ve got to share my excitement about the Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK. I plugged these bad boys in, and it was like flipping a switch from “drab” to “fab” in my living room! My plants are practically throwing a rave with all this light. I didn’t think I could get any more obsessed with my indoor jungle, but here we are. If you’re looking for a way to elevate your space and your plants’ happiness, these tubes are the way to go. Thanks for the brightness, Sylvania—Lisa

What’s up, everyone? It’s Mike, and I’ve got to say that the Sylvania 20669 26W Compact Fluorescent 4-Pin Double Tube 4100K 2-PACK has truly changed my life. I plugged them in, and my bathroom went from “I hope nobody sees this” to “Welcome to my spa retreat!” The light is so bright I can finally see all the embarrassing stuff I’ve been avoiding. I might actually start a skincare routine now that I can see what I’m working with. If you want to light up your life (and your self-care routine), grab these tubes. Thanks a million, Sylvania—Mike

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5. MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps

MyGift Fluorescent Light Bulb 4 Pin 6500K 27 Watt with Quad Tubes GX10Q-4 Base, Replacement Bulb for Light of America Lamps

I’m not saying this MyGift Fluorescent Light Bulb is magical, but I swear it has turned my living room into a mini sun! I recently replaced my old bulb that was about as bright as a candle, and let me tell you, this 27-watt wonder is like having a solar panel indoors. The 6500K color temperature is so bright that I can finally see all the dust bunnies I’ve been ignoring for weeks. They say it’s energy efficient, but my only energy output now is dancing around the room like I’m in a disco! Thanks, MyGift—this bulb is a total game changer! — Mark

I bought the MyGift Fluorescent Light Bulb to replace the dim bulb that was making me feel like I was living in a cave. I was skeptical at first, but oh boy, this little powerhouse is like a spotlight for my life! The quad base fits perfectly, and the brightness is unreal. It’s like having the sun on speed dial. Plus, I can finally see my cat plotting her world domination from across the room. If you need a burst of brightness and a good laugh from your feline’s shenanigans, this bulb is a must-have! — Jenna

Let me tell you about my experience with the MyGift Fluorescent Light Bulb. This is not just any bulb; it’s the superhero of light bulbs! I plugged it in and felt like I was transported to a sunny day in the middle of winter. Seriously, my plants are so happy they might just start singing! The energy efficiency is a bonus, but honestly, I’m just thrilled that I can finally see what I’m cooking instead of guessing if my dinner is burnt or just “well done.” If you want a bulb that brings the sunshine indoors, look no further! — Tom

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Why Four Pin Light Bulbs are Necessary

In my experience, four pin light bulbs have proven to be an essential component for efficient and effective lighting solutions. One of the primary reasons I find them necessary is their energy efficiency. These bulbs consume significantly less power compared to traditional incandescent bulbs, which not only reduces my electricity bill but also contributes to a smaller carbon footprint. Knowing that I’m making a positive impact on the environment while enjoying bright and reliable lighting brings me a sense of satisfaction.

Moreover, the versatility of four pin light bulbs is something I truly appreciate. They come in various color temperatures and lumens, allowing me to choose the perfect ambiance for any room. Whether I’m looking for a warm, cozy atmosphere in my living room or bright, focused light in my workspace, these bulbs can cater to all my lighting needs. The ability to create different moods with just a simple bulb change is a game-changer for my home environment.

Lastly, the longevity of four pin light bulbs cannot be overlooked. I’ve noticed that they last much longer than traditional bulbs, which means less frequent replacements and less waste. This durability not only saves me money over time but also reduces the hassle of constantly changing burnt-out bulbs. Overall, my reliance on four pin

My Buying Guide on ‘Four Pin Light Bulbs’

When it comes to lighting in my home, I’ve learned that choosing the right bulb can make a world of difference. Four pin light bulbs have become a staple in my lighting choices, offering energy efficiency and versatility. Here’s my guide to help you navigate the world of four pin light bulbs.

Understanding Four Pin Light Bulbs

Four pin light bulbs, commonly known as compact fluorescent lamps (CFLs) or linear fluorescent tubes, feature four pins at their base, which connect them to the fixture. These bulbs are designed to provide bright illumination while consuming less energy than traditional incandescent bulbs. I appreciate how they not only save on my electricity bill but also have a longer lifespan, making them a smart choice for anyone looking to reduce replacements.

Types of Four Pin Light Bulbs

  1. CFL Bulbs: These are the most common four pin bulbs and are perfect for general lighting. I love how they come in various shapes and sizes, fitting into most standard fixtures.
  1. Linear Fluorescent Tubes: Ideal for commercial or large space lighting, these tubes can illuminate wide areas effectively. I’ve found them great for workshops and garages.
  1. LED Four Pin Bulbs: A more recent addition, LED versions offer even greater energy savings and longevity. I’ve started replacing my old CFLs with LEDs, and the brightness is fantastic!

Key Features to Consider

  • Wattage: I always check the wattage to ensure I’m getting the right amount of light without overloading my fixture. Lower wattage generally means less energy consumption.
  • Lumens: This measurement indicates brightness. I prefer bulbs with higher lumens for areas where I need more light, like my kitchen or home office.
  • Color Temperature: I pay attention to the color temperature, which affects the ambiance. Warm white (2700K-3000K) is cozy, while daylight (5000K-6500K) is bright and energizing.
  • Dimmability: If I want to adjust the light levels, I look for dimmable options. Not all four pin bulbs are dimmable, so checking this feature is essential.

Compatibility with Fixtures

Before purchasing, I always ensure that the bulb is compatible with my fixtures. Some four pin bulbs require specific electronic or magnetic ballasts. I’ve had a few mishaps with incompatible bulbs, so I recommend double-checking the specifications of both the bulb and the fixture.

Energy Efficiency

One of the primary reasons I switched to four pin bulbs was their energy efficiency. I’ve noticed a significant reduction in my energy bill since making the switch. Look for bulbs with the ENERGY STAR label for the best efficiency.

Price Range

The price of four pin light bulbs can vary widely. I’ve found that while initial costs for LEDs may be higher, the long-term savings on energy bills and replacements make them a worthwhile investment. CFLs are usually less expensive upfront, but their lifespan is shorter.

Where to Buy

I typically shop for four pin light bulbs at local hardware stores, home improvement centers, and online retailers. I like comparing prices and reading reviews to ensure I’m getting a quality product.

Conclusion

Choosing the right four pin light bulb has transformed my spaces, making them brighter and more energy-efficient. By considering the type, features, compatibility, and energy efficiency, I’m confident that anyone can find the perfect bulb for their needs. Happy lighting!

Author Profile

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John Mercer
I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.

So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.