Quantity Discounts
Lot pricing allows you to buy an item in a set bulk quantity to save money. We list the amount of product you need to purchase in order to receive lot pricing under the orange ribbon, so you always know how to get the best deal. The same discount is applied for each lot you purchase.

$1.55/Each

Ships free with Plus
Lot pricing allows you to buy an item in a set bulk quantity to save money. We list the amount of product you need to purchase in order to receive lot pricing under the orange ribbon, so you always know how to get the best deal. The same discount is applied for each lot you purchase.
$1.73/Each
Regularly: $1.79/Each

You must buy a minimum of 30 at a time due to manufacturer packaging.

  • Up to 24,000 rated hours of luminescence
  • 2550 lumens
  • Up to 90 CRI
  • Medium bi-pin base
  • Color temperature: 4100K (cool white)
  • Uses less energy than comparable incandescent bulbs

UPC Code:

045923066375
Shipping:

Usually Ships in 1 Business Day
When will I receive my item?

Satco S6637 Specs
Length 48 Inches
Diameter 1 1/2 Inches
Wattage 40 Watts
Application General Service
Base Style Medium Bi-Pin
Brightness 2,550 Lumens
Bulb Shape T Series
Burn Time 24,000 Hr.
Color Temperature Cool White
Finish Frosted
Type Fluorescent Bulbs
Usage Indoor

Customer questions about this product

What does the number with “K” at the end mean?
Measured using the Kelvin Scale, this number refers to the color hue emitted by the bulb’s light. Lower Kelvin numbers will have a more yellow output while higher Kelvin numbers will let out a bluer light.
Ask your own question!

Satco S6637 Details

Brilliantly illuminate your commercial kitchen, office, or hospitality service with this Satco S6637 HyGrade 48" 40 watt fluorescent light bulb! More sustainable than traditional incandescent lamps, fluorescent light bulbs allow you to cut back on utility costs while generally lasting longer and distributing brighter light at your establishment.

This efficient bulb has a CRI (Color Rendering Index) of 90, assuring your operation's lighting will be bright and direct. The bulb's instant start design allows the lamp to immediately light up with no flickering or noise, and delivers up to 24,000 hours of light. This medium bi-pin based bulb yields 2550 lumens at 4100K to provide a cool, white light.

Overall Dimensions:
Maximum Overall Length (MOL): 48"
Maximum Overall Diameter (MOD): 1 1/2"

  • RoHS Compliant

    RoHS Compliant

    This item complies with the standards imposed by the Restriction of Hazardous Substances Directive, which restricts the use of certain hazardous substances in electrical equipment.

  • CE Listed

    CE Listed

    This item complies with the standards imposed by the Conformance European (CE), a division of the Intertek group.

Resources and Downloads for
Satco S6637

Spec Sheet Specsheet

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Customer Reviews

  • Overall User Rating: Satco S6637 HyGrade 48" 40 Watt Cool White Fluorescent Light Bulb (T12)

    5.0 stars from 1 review

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    People Talk About:

    bulbs great sold quickly price pleased more light fluorescent due
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    Our bakery blows light bulbs more than we would like due to it being an old building. We were very pleased when we saw webstaurant sold bulbs because we knew they'd be great and a great price. We go through fluorescent bulbs so quickly and these are priced so well that we will stock up on them for sure.

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