Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Flowtron Indoor Fly Trap is a plug-in unit that uses a 9W UV bulb to draw flies, gnats and moths onto a sticky glue cartridge. It is rated for rooms up to about 375 square feet and runs silently, with no zap, spray or chemical. That makes it a good fit for kitchens, garages and screened porches where noise or insecticide is unwanted. Against zapping traps it is quieter and safer around food, but it only holds what sticks, so cartridges need regular replacement and it will not clear a heavy infestation on its own.
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Lowest price we've seen: $29.99 on Nov 9 at The Home Depot. Tracked across 2 stores since Nov 9.
Owners of UV glue traps like this generally report that they collect flies and gnats steadily in enclosed rooms and appreciate the silence. The recurring complaints are that the sticky cartridges need frequent replacement and that catch rates drop in open or large spaces.