Today's Offers
Today's OffersHide
Get 20 free bulbs with purchase of $199 or more, use code 20BULBS at checkout.
15% off all Lunera products. Use promo code LUNERA15 at checkout.
New low prices on brand bulbs
Get a free Monkey fan with this BloomBoss kit. Use promo code MONKEY at checkout.
FREE SHIPPING on orders over $99

Speak with a lighting specialist


Weekdays 8am-7pm EST
243 Stafford St.
Worcester, MA 01603
Tel. 1 (888) 455-2800
Fax 1.508.363.2900

The LED Authority

40 Watt, 48 Inch T12 Special Blue Fluorescent Bulb (Pack of 6)

SKU: F40T12/BB | Ordering Code: F40T12/BB

Sorry, this product is not available to purchase.

Product Highlights

  • Estimated life of 18.3 years based on 3 hours use per day

40 Watt T12 "Special Blue" fluorescent lamp.  Higher wattage for more power and light.

  • Produces a Rich Blue Light for Phototherapeutic Work such as Jaundice Treatment

(6-Pack Only, Priced Per Each)

Full Specs


Value Brand

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
Energy Used
40 Watts


The end (or ends) of the lamp that fits into the socket.
Medium Bipin

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
Bulb Shape

Bulb Color

The color of the light produced by a bulb
Bulb Color

Brightness (Lumens)

A rating of the initial light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
Brightness (Lumens)

Bulb Finish

The surface finish of a bulb, which may affect the quality of the light emitted.
Bulb Finish

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
Bulb Technology

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
Average Rated Life (hr)

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
Length (in)

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
Diameter (in)

Contains Mercury (Hg)

Contains some level of the element Mercury. Typically, bulbs containing Mercury display the symbol 'Hg'.
Contains Mercury (Hg)
Customers Also Viewed
Customer Reviews
Q & A