543439 PHILIPS Alto Bright Pin Fluorescent Tube Light

Review PHILIPS Alto 40w 48 Inch Bright White T12 Medium Bi-pin Fluorescent Tube Light

The Philips Alto T12 Bi-Pin 40W 48-inch Fluorescent Light Bulb, model number 543439, is a high-performing and energy-efficient solution for your lighting needs. This bulb is part of Philips Alto line, known for delivering superior light quality and long-lasting performance.

Measuring 48 inches in length, this bulb is suitable for use in standard T12 fluorescent lamp holders. It is equipped with two bi-pin base connectors, allowing for easy installation and replacement. The bulb's power consumption is rated at 40 watts, making it an energy-efficient alternative to traditional incandescent bulbs.

The Philips Alto 543439 delivers a bright light output of 4,800 lumens, ensuring ample illumination in commercial and industrial settings. Its color temperature is rated at 3500 Kelvin, providing a warm, natural white light that is easy on the eyes and enhances the colors of your surroundings.

This bulb is designed to last for a long time, with a rated lifespan of 24,000 hours. This means fewer replacements over the years, saving you time and money. Additionally, it features InstantStart technology, which allows the bulb to light up instantly when turned on, reducing the wait time and energy consumption compared to pre-heated bulbs.

The Philips Alto 543439 is also environmentally friendly, containing no hazardous materials such as mercury. This makes it a responsible choice for those who are conscious about their carbon footprint.

In summary, the Philips Alto T12 Bi-Pin 40W 48-inch Fluorescent Light Bulb (model number 543439) is a high-performing, energy-efficient, and long-lasting solution for your lighting needs. Its warm white light output, easy installation, and InstantStart technology make it an ideal choice for commercial and industrial settings, while its eco-friendly design appeals to those who care about the environment.

The Philips 543439 Alto 40W 48 inch T12 Bi-Pin Fluorescent Tube Light is a popular choice for commercial and industrial lighting applications. Here are some pros and cons of buying this specific tube light:

1. Energy Efficiency: This tube light is designed to be energy-efficient, consuming 40 watts of power to produce the same amount of light as a 100-watt incandescent bulb.

2. Long Lifespan: The Philips Alto tube light has a long lifespan of up to 24,000 hours, which is significantly longer than most incandescent bulbs.

3. Instant Lighting: Fluorescent tube lights, including this one, provide instant lighting as soon as they are turned on.

4. Brightness: The Philips Alto tube light produces a high level of brightness, with a luminous flux of 5,100 lumens.

5. Bi-Pin Base: This tube light features a bi-pin base, which is compatible with most standard fluorescent light fixtures.

1. Contains Mercury: Fluorescent tube lights contain a small amount of mercury, which can be harmful if not disposed of properly.

2. Warm-Up Time: While fluorescent tube lights provide instant lighting, they do require a brief warm-up time before they reach their full brightness.

3. Color Rendering Index (CRI): The Philips Alto tube light has a CRI of around 70, which is lower than some other tube lights and may not be suitable for applications where color accuracy is important.

4. Flickering: Some users have reported that this tube light flickers, which can be distracting and may affect productivity.

The Philips 543439 Alto 40W 48 inch T12 Bi-Pin Fluorescent Tube Light is an energy-efficient and long-lasting option for commercial and industrial lighting applications. However, it does contain mercury, which can be a concern for some users. Additionally, it may not provide the best color accuracy and some users have reported flickering. Ultimately, the decision to purchase this tube light depends on the specific needs and requirements of the application.

If you are looking for an energy-efficient and long-lasting tube light for a commercial or industrial application, the Philips 543439 Alto 40W 48 inch T12 Bi-Pin Fluorescent Tube Light is a good option to consider. However, if color accuracy is important or if you are concerned about mercury or flickering, you may want to explore other options, such as LED tube lights or other types of fluorescent tube lights with better color rendering and no flickering.

Details:

Further warranty may be offered by the product manufacturer. Warranty issues with all power equipment must be addressed through the manufacture. For many lighting applications around the home or office. Philips 2pk 40w bwt12 fluor tube 543439 pack of 18: alto 40w 48 in.

If an order has already been shipped, simply refuse the package when it arrives or return to sender if courier delivers. Bright white t12 medium bi-pin fluorescent tube light bulb 2-pack: t12, medium bi-pin, fluorescent tube.

specifications lightsod:

• brand: Philips
• mpn: 543439
• type: Philips Alto T12 Medium Bi-pin Fluorescent Tube Light Bulb
• features: Alto Lamp Technology
• country/region of manufacture: United States
• item height: 9.500
• item length: 49.300
• item width: 9.800
• banned states: Ca, Me, Md, Hi, Dc, Ma, Nv, Nj, Ny, Co, Ri, Or, Vt, Wa

general lightsod:

• category: Home & Garden > Lamps, Ceiling Fans > Lighting Parts

offer lightsod:

• started: may 31, 2025
• prices: $12.00–$230.39
• item condition:
  • Open box
  • New
• sold #: 17
• in stock #: 3
• options: ship-to-home
• availability: in stock

seller lightsod:

• city: dixon, il
• # reviews: 138252
• rating: 98.9%

shipping lightsod:

• service: standard
• type: fixed
• transit: 4-6 days
• class: standard

returns lightsod:

• policy: returns accepted
• method: money back
• time: 30 days
• paid by: buyer

payments lightsod:

• other
• wallet: google-pay
• credit card: diners-club