Flowtron BK-40D
Top PickWhat We Like
- Covers up to 1 acre with strong mosquito reduction when using the octenol lure.
- Weather-resistant build handles outdoor exposure without rust or UV damage.
- Included octenol lure significantly boosts mosquito attraction compared to UV alone.
Worth Noting
- Bulb may burn out within 3-6 months; some units stop zapping within the first year.
- Zapping sound and motor hum can be disruptive near seating areas.
- Power
- Corded electric
- Voltage
- 5600V
- Coverage
- 1 acre
- Attractant
- UV+Octenol
Read the full review
The Flowtron BK-40D covers a full acre with a 5600V killing grid and included octenol lure that draws in mosquitoes far more effectively than UV light alone. Its UL-listed weatherproof housing holds up through rain and sun, making it a set-and-forget option for yards with heavy mosquito pressure.
That coverage comes with two tradeoffs. The bulb may need replacement within 3-6 months, and some units stop zapping within the first year, so treat this as a seasonal tool with recurring bulb costs. The zapping sound and constant hum are loud enough to disrupt quiet seating areas, which means placement away from patios is worth planning.
Position away from seating areas to reduce the impact of the zapping sound.
Bottom line: This suits large properties where mosquito volume is high and bulb replacement is an expected recurring cost.