C9 Blue Glass Bulbs E17 Bases


Regular price$0.38
Shipping calculated at checkout.

  • Sold by 25, Price per Bulb
  • In stock, ready to ship
  • Inventory on the way

This blue incandescent bulb has a standard C9/E17 base. They are manufactured for commercial and residential applications.

These bulbs rated at 7 watts per bulb, have nickel-plated over brass bases and can be used to either replace bulbs in existing Christmas cords or installed in new cords. Use them alone for a blue Christmas or alternated with white and red for summer parties.


  • Incandescent, Glass
  • Sold in boxes of 25, Price is per bulb
  • Standard C9 E17 base
  • Heats up under operation
  • Not compatible with all artificial trees
  • Cords sold separately


Please test your lights when you receive them! Everyone is happier when we resolve issues quickly.

Our warranty for all our products is 90 days of normal, seasonal use. If a product is defective or fails during the 90 days following receipt of your order, please contact us right away. We will work with you to troubleshoot the problem, and if the issue is not easily and quickly resolved, we will correct the situation.

See our Warranty Policy page for more information. 


We are shipping Monday - Friday with most orders placed before 2:00 PM CST shipping the same day. 

Orders don't ship during the weekend or on major holidays.

See our Shipping Information page for our latest shipping information and shipping notices or exceptions.


We accept returns of products in original, like-new condition within 45 days after an order is receivedAfter receipt of the return at our location, the amount of the purchase price should be credited within 5 business days. Return and original shipping charges are not refunded.

Eligible products have not been installed and are in their original packaging in like-new condition. If returned products are received within 45 days of receiving your order, there is no restocking fee. After 45 days, a 15% restocking fee will be deducted from your merchandise credit. No returns are accepted after 60 days.

Upon receipt of your return, your account will be credited for the cost of the products. Shipping charges are not credited.

See our complete Returns policy.

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Specifications and Dimensions

Incandescent or LED Incandescent Purchase Separately C9/E17 Cord
Bulb Style Transparent Warm-Up During Operation Yes
Color of Bulbs Blue Base Size E17 (Intermediate)
Shape of Bulbs C9 Voltage 130 V
Base Finish Nickel Current Draw .06 Amps
Dimmable Yes Power Draw 7 Watts
Bulb Width 1 1/8 inch Bulb Height 2 7/8 inch
Bulb Diameter 1 1/8 inch Potential Lifespan Estimate 3,000 hours
Application Indoor/Outdoor Warranty 90 Days of Normal Seasonal Use
Additional Info 25 bulbs per box, price per bulb Material Glass
Additional Info Double Dipped (2 layers of transparent paint) Additional Info Suitable replacement bulb for standard Christmas Light Cords

Customer Reviews

Based on 2 reviews
Cheryl (Mounds, OK)

Good quality and performance. This is our 3rd order and you just can’t beat the quality and service.

Sam S. (Nokesville, VA)
Review of Blue C9 Bulbs. Need more blue and not to fade.

This last box of 25 ea. C9 transparent bulbs is barely fair. They are not colored blue as much as they should be. They start off appearing as a light blue and seem to gradually fade to a light blue green. But these are better than the ones I last purchased from the same manufacturer a couple years ago which were much worse in the same regard. May as well have bought white lights. The only truly decent blue transparent bulbs I have found have been in the local hardware store appear to be made by a different manufacturer but they are in multicolor bulb packs of 10 bulbs or so, so I would have to buy 5 times the amount of bulbs I need to get a sufficient number of good blue bulbs for my application. Sad that I can't find a true good quality real blue bulbs in bulk anymore.

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