Can this unit be used indoor?

Yes, works great indoors. The Zap might be a bit loud though. My dog runs out the doggy door when he hears the zap.

Does the light still attract mosquitoes during the daytime?

the UV light attracts a ton of bugs at night but day time not so much. The Octenol makes the thing a bug killing fiend but in day time it is lack luster and probably a waste. Every morning it is 100% covered and clogged from mosquitoes and i have to use my data vac to clean it off. I use the 1 acre and 1.5 acre one and both are 100% covered by morning but during the day they hardly kill anything. They work at night well even without the Octenol but it definitely helps to have it. I have terrible mosquitoes here and mine only kills a few so if you are not flooded with them it probably won't do much for you during the day. I have to go outside with bug spray at noon to keep the mosquitoes off -_-

Is there a reason I can't use this indoor?

I've been using mine indoors for years because I don't really care about the bugs outside... I don't want them in my house. This model whacks bugs day and night. it doesn't stink... the hum is loud. Death to the flying insect.

After six months of use the unit quit working and still won't after inserting new bulbs. Can these units be repaired?

Shipping cost may be as much as a new unit.

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Flowtron Bug Zapper, 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid, Electric Insect, Fly & Mosquito Zapper, Made in The USA

Flowtron Bug Zapper, 1 Acre of Outdoor Coverage with Powerful 40W Bulb & 5600V Instant Killing Grid, Electric Insect, Fly & Mosquito Zapper, Made in The USA

Product ID: 1251433

Details

Brand
Flowtron
Color
Midnight Black
Is Electric
Yes
Item Weight
2.2 Kilograms
Material
Plastic
Number of Pieces
1

⚡5600V Instant Kill Grid - Lightning-fast zap

🌳1 Acre Coverage - Wide outdoor protection

💡40W UV Black Light - Maximum bug attraction

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$332.69

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Details

Brand
Flowtron
Color
Midnight Black
Is Electric
Yes

Description

⚡ Zap the swarm, own your outdoor space!

DUAL ACTION BUG MAGNET - Combines powerful UV light with slow-release Octenol attractant for unbeatable pest luring.
EFFORTLESS OUTDOOR DEFENSE - Covers a full acre, perfect for patios, decks, and wooded areas—your personal mosquito-free zone.
BUILT TO BRAVE THE ELEMENTS - Weatherproof, rust-resistant polycarbonate housing with UL certification, proudly made in the USA.
INSTANTANEOUS HIGH VOLTAGE ZAP - Supercharged 5600V grid ensures bugs don’t stand a chance—zap and drop, no clogging.
MAINTENANCE FREE PEACE OF MIND - No messy sprays or traps—just plug in, replace bulbs and cartridges occasionally, and enjoy pest-free living.

The Flowtron Bug Zapper is a high-performance outdoor insect eliminator featuring a powerful 40W UV black light and a 5600-volt instant kill grid. Designed to cover up to 1 acre, it uses dual luring methods including a slow-release Octenol attractant to effectively target mosquitoes, flies, moths, and other flying pests. Its weatherproof, durable construction and maintenance-free operation make it an ideal, long-lasting solution for keeping your outdoor spaces pest-free year-round.

Specifications

ASIN	B00004R9VW
Best Sellers Rank	#1,542 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #14 in Bug Zappers
Brand	Flowtron
Brand Name	Flowtron
Color	Midnight Black
Customer Reviews	4.5 out of 5 stars 27,355 Reviews
Global Trade Identification Number	00026713700433
Included Components	Unit^Instruction Guide
Is Electric	Yes
Item Dimensions L x W x H	8.5"L x 8.5"W x 13.5"H
Item Type Name	Flowtron BK-40D Electronic fly Killer, repel-pesticides, 1 Acre Covera
Item Weight	2.2 Kilograms
Manufacturer	Flowtron
Manufacturer Part Number	BK-40-D
Manufacturer Warranty Description	2 years warranty
Material	Plastic
Material Type	Plastic
Model Number	BK-40D
Number of Pieces	1
Power Source	Corded Electric
Product Dimensions	8.5"L x 8.5"W x 13.5"H
Recommended Uses For Product	Aedes, Flies, Fruit Flies, Gnats, Mosquitos, Moths, Wasps
Style	Flowtron
Style Name	Flowtron
Target Species	Mosquito
UPC	026713700433
Unit Count	1.0 Count

Reviews

A**R

7.12.2025

S**D

26.05.2013

T**G

8.05.2014

J**C

25.04.2026

D**N

28.04.2026

C**S

9.04.2026

L**T

7.04.2026

T**L

1.06.2014

A**R

6.02.2025

S**A

31.05.2024

M**.

9.01.2024

G**.

2.08.2022

A**R

19.12.2025

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$332.69

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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TrustScore 4.5 | 7,300+ reviews

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2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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