Four-pack bulbs most commonly use candelabra (E12) and standard medium (E26) bases. Common shapes shown in the data include C7, A19, and CA11.
Watt-equivalents in the data range from about 4 watts up to 60 watts. Reported actual energy use per bulb runs from roughly 4.0 W to 8.5 W.
Available light appearances include Daylight (5000K) and Soft/Warm White (2700K). Some incandescent listings are described more generally as warm or soft white.
Rated lifespans vary across the data: small incandescent listings show about 1.8 years, many LED listings show around 13.7 years, and one LED listing states “up to 15 years (about 15,000 hours).” Note that the source includes both years and hours in that single listing; verify the specific product description for the manufacturer’s exact hours/years.
Many four-pack bulbs are listed as dimmable. Descriptions commonly note full-range dimming and compatibility with most dimmer switches.
All items in the provided data are shown as package quantity 4. Warranty information varies and includes entries such as “No Applicable Warranty,” a 5-Year Limited Warranty, and a 3-Year Limited Warranty.
