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Set of four 27W compact fluorescent photo light bulbs, super bright with 5500K color temperature and 1300 Lumens output. Energy Star compliant, bulb life about 10,000 hrs. *) Fits all medium-base E27/E26 sockets. Dimensions: L: 6.5″; W (Diameter): 2 1/4″; Length socket base to top of ballast: 2 3/4″; W (diameter) of socket: 1″. *) ALZO CFL bulb life is based on the bulb in an open air upright orientation. When ALZO bulbs are installed in fixtures that lack adequate ventilation, the life of the bulb will be reduced. If an ALZO CFL bulb is installed in an overhead recessed light fixture with the bulb glass below the base, the life of the bulb will be greatly reduced. ALZO warranty for all CFL bulbs is 30 days.
Product Features
- Exceptional bulb life of appr. 10,000 hrs. *)
- Flicker-free
- Daylight color temperature of 5500K
- Brightness of 1600 Lumins @ 1m
- Pack of 4
Best Home Lighting Bulb Out of Many Tested I am an engineer who has been completely disgusted with the home lighting situation. There are no standards and many misstatements and counterdictions at the stores. I own a Minolta flash meter which accurately measures a lights color temperature. I’ve tried the bulb technology at Walmart, Sams Club Home Depot and Lowes. The most glaring examples:1) yellow light is called soft white (2700)2) very blue light is called daylight 6000-6500)3) 12W LED lights go for as much as $90!4) Some bulbs are advertised as white but the chart on the back shows its yellow. Complete incompetence.Here is not what to avoid: all (harsh washed-out blue) daylight, and (yellow) soft white. While GE Reveal offers somewhat better clarity its still overpriced and quite yellow.Full spectrum (5000-5500) bulbs are a step-up but stores offer a very limited selection. The Home Depot full 100w spectrum’s beats the Lowe’s Ot-Lite. The best compromise are the PAR38 indoor 23-27w 3500K reflector lights (which actually measure 4100K) especially for kitchen spot lighting.On the LED front Sam’s Club carries a 520 lumen, 4100K, 9 LED PAR38 reflector which has a easily noticeable smoother light spectrum. Great for the one light on in the kitchen in the evening. The equivalent $70 LED lights at the hardware store are hardly a bargain, as the Sam’s is $20! However its Color Retention index (CRI)is only 74.The best of all are lights are these 5500K Alzo’s. I’ve installed a 45w in the kitchen pantry and the color of the food boxes really pop. Food looks like it does in the magazines. The clarity is first rate (however 27w should be sufficient). They are the reference to which others are to be compared. My wife has not complained even when they are on at night-time. This is a first.Skin tones in the bathroom look very natural. A first again.Color temperature alone is not the sole basis to buy a bulb as a high CRI is also required. The Alzo’s come in at 92, which is very high. Most manufactures do not even list this measurable figure (assume because its too low).Well gotta go as my wife wants one in her closet now, as shes hates the other fluorescent lights which cause eye-strain.Should I install a 45w and blow her away?
Great replacements for incandescent or tube lights They came individually packaged extremely well. I had problems in the past with the screw base of CFL’s not going deep enough in the socket. I have a variety of fixtures I needed these to fit in and so far, no problem, after they warm up (about 5 minutes in extreme cold). These have saved me a lot of money even from the start. I am lighting my shop with them instead of tube lights and fixtures. I am installing them 5 feet on center and the coverage is great. The daylight color reflects great off the white ceiling. For this purpose they work better for me than the warm color CFL’s. They are brighter than a 100 watt bulb, very little shadowing on my projects.