I need a 25 watt 4 prong replament bulb for an OTT floor lamp?

They are available from Amazon: OttLite SB25-P-FFPeplacement Swirl Bulb $19.99 each plus tax.

looking for G24 type 4-prong bulb.

OttLite is an excellent product. I own 2 of them and they improve the quality of all reading material. The bulb has a user life of up to 3 or more years depending on use. By the way, the G24 type 4-prong bulb will only fit into a OttLite lamp.

My ott lamp bulb has the numbers sb25-p on the bulb. can sb25-p-ffp or h34j3k-508 be substituted for the sb25-p?

I expect it will since I had the same question and took a chance and it worked. I was concerned about the lamp being too fragile to endure the stress of inserting the bulb pins into the socket. It did work however. Try not to apply too much force to the glass swirl if possible, and hold the bulb by the base when installing and "work" the pins gently into the holes. You might wear a glove to protect your hand just in case.

The bulb i'm needing is a kfe-s25w -p will this bulb work in my floor lamp?

I am using the bulb shown OttLite SB25-P-FFP 25 W in my floor lamp and it worked just fine. It was slightly longer than the original so it protruded 1/2" beyond the shade. That only presented a problem when I backed my desk chair into it. Had to buy another and pick up the pieces. It seems to be alot better than original and so far has lasted a lot longer.

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OttLite SB25-P-FFP 25W Replacement Swirl Bulb

Product ID: 39246360

Details

Brand
OttLite
Incandescent Equivalent Wattage
100 watts
Light Type
CFL
Special Feature
Energy
Wattage
25 watts

⏳10,000 hours lifespan

🌞4000K natural daylight color temp

💡25W CFL power, 100W incandescent equivalent

Description

💡 Illuminate your workspace with brilliance and efficiency — don’t settle for less!

ENERGY SMART EFFICIENCY - Consumes 75% less energy than traditional bulbs, saving you money and reducing heat output.
LONG LASTING PERFORMANCE - Up to 10x longer lifespan than incandescent bulbs means fewer replacements and less hassle.
TRUE TO LIFE COLOR ACCURACY - Experience vibrant, glare-free illumination that reveals every detail with precision.
NATURAL DAYLIGHT ILLUMINATION - Brings the power of natural daylight indoors, reducing eye strain during extended work or hobbies.
PERFECT FIT FOR OTT LITE 25 W LAMPS - Designed exclusively for OttLite 25W lamps to ensure seamless compatibility and optimal lighting.

The OttLite SB25-P-FFP 25W Replacement Swirl Bulb delivers natural daylight illumination with a 4000K color temperature and 80 CRI, providing true-to-life color accuracy and reduced eye strain. This energy-efficient CFL bulb uses only 25 watts to produce light equivalent to a 100-watt incandescent, lasting up to 10,000 hours. Exclusively compatible with OttLite 25W lamps, it ensures seamless replacement and long-lasting performance for professional and hobbyist environments.

Specifications

ASIN	B01CZZ5MU0
Additional Features	Energy Efficient
Beam Angle	360 degrees
Brand Name	OttLite
Color	White
Color Rendering Index	80
Color Temperature	4000 Kelvin
Connectivity Technology	Normal bulb
Control Method	App
Controller Type	Push Button
Customer Reviews	4.5 4.5 out of 5 stars (339)
Global Trade Identification Number	00761712010755
Incandescent Equivalent Wattage	100 watts
Included Components	25w Replacement Swirl Bulb
Indoor Outdoor Usage	Indoor
Item Type Name	Bulb
Item Weight	5.6 ounces
Light Color	Daylight White
Light Source Operating Life	10000 hours
Light Source Type	Fluorescent
Light Source Wattage	25 watts
Light Type	CFL
Manufacturer	OttLite Technologies
Manufacturer Part Number	SB25-P-FFP
Manufacturer Warranty Description	Warranty covers ottlite bulbs for 1 year from the date of purchase and ottlite lamps and accessories (excluding batteries) for 2 years from the date of purchase, with the exception for damages resulting from the use of the product for any purpose other than its intended use. Additionally, please note that warranty coverage excludes ottlite items purchased “as is” or from unauthorized retailers.
Material Type	Plastic
Model Name	OttLite SB25-P-FFP 25W Replacement Swirl Bulb
Model Number	SB25-P-FFP
Number of Items	1
Package Quantity	1
Power Consumption	25 watts
Power Source	Corded Electric
Specific Uses For Product	Lamp
Style Name	Swirl
UPC	761712010755
Unit Count	1 Count
Voltage	120 volts
Wattage	25 watts

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