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T8-120-3528-18-NW (F15T8) Natural White 18" T8 LED Tube Light 12v 4500k

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Your Price:
$24.99 (You save $7.00)
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Product Description

Click Image for more pictures and specifications and installation instructions.

18" T8 12v Tube Light Replacement. Standard Size T8 Tube, Actual Size 17 1/4" excluding pins.

4500k Natural White, for 6000k Cool White see part number T8-120-3528-18-CW, and though not as popular, this tube is also available in Warm White part number T8-120-3528-18-WW.

NOTICE:  Requires a simple rewire to the fixture to eliminate the wasteful and troublesome ballast.  See the link below for typical installation instructions for T8 tubes.  Do not install these into a 120v environment or they will be damaged the the warranty void.


  • Includes 1 Tube Light, Wire Nuts, and Extra Wire.
  • Round profile and end cap for smallest possible LED Tube size.
  • Now also has Rotating End Caps so these can be turned if necessary to fit into fixtures with sideways sockets.
  • 18" Tube Light, actual size 17 1/4" not including pins (standard T8 size bulb, will not fit T5 fixtures) x 1 1/4" round.
  • 8w, 12 Volts
  • Actual Fluke reading 0.62A at 12.8vdc
  • 960 lumens
  • Frosted lense covering 120 3528 SMD LED chips so you do not see the individual leds when you look at the light.
  • 4500k color range is Natural White.
  • Power through the end pins so you don't have a wire hanging out the side of the bulb to be seen.
  • Non Polarity, one end of the bulb gets power, the other side gets ground.  Installs either direction.
  • Basic rewiring of the fixture is needed to eliminate the florescent tube ballast
  • Detailed Instructions Online with color pictures at http://m4sales.com/tubelightinstructions/

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Product Reviews

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  1. Excellent Product and Excellent Customer Service 5 Star Review

    Posted by on 22nd Feb 2018

    As always though a bit more expensive than other suppliers the excellent customer service and the quality of the product brings me back time and time again.

    M4 Notes: You will find our tubes to be $8.00-$10.00 less per tube than any other Reputable Brand, but we offer a better tube with better components. If you see something cheaper, there is a reason why... Thank you for the support.

  2. Fantastic LED lamp to replace old fluorescent tubes in RV. 5 Star Review

    Posted by on 10th Feb 2018

    As advertised. Quick and easy installation. Outstanding light quality. The only drawback is that it produces some rfi that puts a buzz in my FM radio.

  3. Excellent Product and Excellent Customer Service 5 Star Review

    Posted by on 8th Feb 2018

    Someone recommended another company to me for the LED lights I needed. One phone call to this company where I was connected to someone who had no knowledge about their products, their spec's, etc. convinced me to go back to M4 where I knew I could talk to a knowledgeable individual and where I knew I would get an excellent product. And indeed I did. I talked directly to Steve who took the time to verify the product was in stock. The 18" fluorescent bulbs were promptly shipped and arrived when expected. They are of the highest quality and were very easy to install. The difference inside our coach is as they say "the difference between night and day". The lights provide a nice bright white light and the icing on the cake is that they are energy efficient. I will never again even think of going anywhere else but to M4 for LED products.

  4. Easy directions to install 5 Star Review

    Posted by on 7th Feb 2018

    Ordered these 2 as a test. Found the directions were easy to follow and only took a few minutes to install. Will be ordering for the rest of the RV fixtures. The LED does away with the problem of the fluorescent lights not working until the RV temp above 45 degrees.

  5. Replacing our fluorescent lights with LED Tube Lights FIXED OUR THERMOSTAT PROBLEM 5 Star Review

    Posted by on 3rd Feb 2018

    Not only do we have far better light with our new 18 inch LED tube lights but they solved a problem we had struggled with for several months. We have a 2002 Fleetwood Discovery and were having trouble with the control board for the furnaces and air conditioners locking out the thermostat and making them inoperable. As it turns out, ballasts on fluorescent lights can cause interference with signals from the thermostat to the control boards. If the fluorescent lights happened to be OFF everything worked well, but if one or the other of the two lights was ON, the thermostat would appear to malfunction. Luckily while watching a YouTube from RV Geeks we discovered M4 Products LED replacements lights. We ordered four 18 inch replacement LED tubes and installed them in the fluorescent fixtures. They were easy to install, bypassing the fluorescent ballast completely and made such an improvement in the light quality in our motorhome. We found the Natural White LED tubes are brighter than the fluorescent lights we replaced but they are not glaring. We liked the LED tube lights so much we have now replaced all of our other 12 volt bulbs with LEDs from M4 Products.

  6. PERFECT UPGRADE 5 Star Review

    Posted by on 29th Jan 2018

    Purchased 4 lights for 2 fixtures. The instructions were clear and easy. My fixtures were riveted so it was necessary yo remove them from the coach drill the rivets to gain access to the ballast. The rewire was simple. 4 screws snap the bulbs in and install the original cover. The lights are bright but not crazy bright. Good value

    M4 Note: Most fixtures have ballast covers that pin off, or held in with screws. Some fixtures like this have rivets. At the top of the instructions is a link to our Resource Page which has alternative installations. One is this type of fixture and it can be rewired without removing the ballast if you pull the fixture down. It is hard to see, but do-able. Remove the rivets and replacing them with screws or rivets is also ok. See the resource page at m4sales.com

  7. T8 Led 18" tube conversion 5 Star Review

    Posted by on 27th Jan 2018

    I replaced 8 - 18" and 2 - 12" flourecent tubes in just over an hour in my yacht. They were pachaged well and included very good instructions. I used the natural white andThe lighting is much improved and power consumption a third of the flourecent bulbs. Easy fix and highly recommended.

  8. Simple, simple! 5 Star Review

    Posted by on 23rd Jan 2018

    I'm currently converting all of my light fixtures to LED. I'd had a different product which came with a 'strip' light. The wires were so fine (22awg) that they were nearly impossible to work with.

    M4's 'tube' light eliminates all the hassle and makes the installation dead simple.

  9. Oh my gosh - I can actually see! 5 Star Review

    Posted by on 22nd Jan 2018

    The lights are way brighter than the fluorescents. Easy to install. Only took about 10 minutes per light. I will definitely be changing out the rest of my lights.

  10. Easy install, great light! 5 Star Review

    Posted by on 9th Jan 2018

    Are they expensive? Yes, but they are worth it! There are no LED fixtures out there that will fit or conceal the outline of my current Fluorescent fixture. Since it is recessed I would have to make a lot of modifications or have an ugly hole. These fit the bill perfectly, changing the wiring was very easy, and in about 30 minutes I had it all back together. I love the brightness, I used these in the main kitchen area where I need good task lighting.

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