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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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For Your Every Summer RSVP, with Code: SUMMER15
Description
BF35 Black Light Bulb FUL15W BL 15W, 4-Pin Base for Flowtron BK-15D, Black Flag BB-15WHT, Stinger UV15, FP15, U-Shaped Twin Tube - 2 Pack15W FUL15W BL U Shape 4 Pin UV Replacement Bulb Key Features Optimal UV Attraction: Engineered to emit a specialized ultraviolet (UV A) black light wavelength that acts as a highly effective, irresistible lure for mosquitoes, biting flies, and other flying insects. U Shape Twin Tube Design: The 15 watt twin tube configuration maximizes the luminous surface area, broadening the light dispersion radius to significantly increase the zapper's effective
15W FUL15W BL U-Shape 4-Pin UV Replacement Bulb
Key Features
- Optimal UV Attraction: Engineered to emit a specialized ultraviolet (UV-A) black light wavelength that acts as a highly effective, irresistible lure for mosquitoes, biting flies, and other flying insects.
- U-Shape Twin Tube Design: The 15-watt twin-tube configuration maximizes the luminous surface area, broadening the light dispersion radius to significantly increase the zapper's effective catching zone.
- Continuous Protection: Built for reliable 24/7 outdoor operation, ensuring your patio, deck, and yard remain protected throughout the peak bug season.
- Simple Installation: Features a standard 4-pin base that plugs directly into compatible bug zapper sockets for a quick, tool-free replacement.
- Chemical-Free Lure: Provides a safe, non-toxic method for drawing insects into the electronic killing grid without the use of harmful pesticides or sprays.
Product Specifications
- Part Number: BF35 / FUL15W BL
- Base Type: 4-Pin Base
- Bulb Shape: U-Shape / Twin Tube
- Wattage: 15 Watts
- Light Output: Ultraviolet (UV-A / Black Light)
- Dimmable: No (Non-Dimmable)
Compatibility & Applications
Specifically designed as a direct replacement bulb for outdoor 15W electronic flying insect killers and traps:
- Compatible Brands: Fits seamlessly into popular bug zapper models including Flowtron (BK-15D), Black Flag (BB-15WHT), and Stinger (UV15, FP15, TZ15).
- Outdoor Use: Ideal for protecting patios, backyard decks, and garden spaces when installed in an appropriately rated weatherproof zapper housing.
Installation & Safety Tips
- When to Replace (PRO TIP): UV phosphors naturally degrade over time. Even if the bulb is still visibly glowing purple, its invisible UV output drops significantly after several months. Replace it at the beginning of every bug season for maximum insect-catching efficiency.
- High-Voltage Warning (CRITICAL): Always unplug your bug zapper from the electrical outlet and wait at least 10 to 15 minutes for the high-voltage killing grid to fully discharge before opening the housing to avoid a severe electrical shock.
- Handle with Care: Use a dry cloth, paper towel, or gloves when holding the new bulb during installation. The natural oils from your bare fingers can create localized hot spots on the glass, potentially causing the bulb to crack or shortening its lifespan.
- Gentle Insertion: Hold the bulb firmly by its plastic base, not the fragile glass tubes. Carefully align the 4 pins with the socket and push straight down. Do not twist or rock the bulb.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Ease & attraction on counter.
Color: Black
The best thing I have bought in a while. The stability & the ease of allowing items to dry make it worth the cost.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Sturdy and practical
Color: Black, Color: Black
Doesn’t take up a lot of space. The basket to hold your brushes can come out. So if you have a shorter brush you can use it without the taller basket. Holds my hand soap and dish soap with extra room if needed. Has a little shelf on the front that I put my straw cleaning brush. The bottom dish comes out for easy cleaning and catching water drips. It’s sturdy and pretty cute.
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Reviewed in the United States on June 19, 2025
★★★★★ 5
Best organizer with a water spout to keep them counter dry!
Color: Black - 9.25″, Color: Black - 9.25″
I am thoroughly impressed with this product. I tried a product that goes over the middle of the sink and it blocked everything off and would always fall off in a funny ways. I had no room for my pots and pans and started getting irritated with it. This is up and out of the way has a little spicket to drain off the water and as you can see I got all of my sponge and soaps in the same spot which is wonderful cleaned off my counter beautifully. I chose the color black to blend in with my black countertop and also to look nice and clean on the counter. One of the best organizers I have ever found for a countertop. It's sturdy metal so far seems rust resistant, but I haven't had it long enough to know for sure. Mobilize easily to clean. Fabulous little sink caddy. I highly recommend to those of you that like to be organized and keep your counter nice and dry, and still arrange things so that it can be out of the way.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Excellent, all around caddy!
Color: Black - 9.25″
The Cisily Sink Caddy is working out nicely.
It holds my sponges, scrubbers and soap bottles. It’s easy to clean and it Excellent all around is well made. I am very happy with my purchase!
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Reviewed in the United States on May 11, 2026
★★★★★ 5
No Rust, No Fuss, A simple but great Sink Item
Color: Black - 9.25″
For years I just had my sponges just laying on or around the sink but this year I decided I needed something to hold the soups and cleaning detergent. Along with not being too pricy and that is how I stumbled upon this sink caddy it has worked amazingly. It holds the detergent, sponge, and tube brushes with no problem and any water is drained out from the little spout underneath it.
You can adjust the dividers so you can have how you want things separeted from each other and with the bottom being plastic you don't have to worry about getting any rust there. If you need something to make more space around your sink this item will help you.
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Reviewed in the United States on May 27, 2026
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