Will these only work for cluster flies, or can they be used to deal with other creepy crawlies and flying insects?

I used it in my loft many times it kills most things present at the time

Can this be placed on a wood surface? I have had a recent spout of black files in my shed but it has flammable materials.

No problem but I would suggest placing the bomb on a saucer just in case!! They work incredibly well.

Can this be used in a crawlspace under kitchen, would be sitting about 25cm beneath floorboards.

Think it would be ok, as long as you put it on something that won’t burn, as it starts off hot (as you have to light the wick). I used it successfully in a small area by taping it to a pole so I could get it into the ‘crawl space - worked really well, left it to fume for a few hours, all good.

How do you use these, i have drain flies. How can i kill them

you light them like a small candle/firework and after a small amount of burning they release the smoke that kills things ,you could float them on a small foil pie tray or something like that .They work best where the area is sealed though (room with door closed etc )

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Pest Expert Cluster Fly Killer Smoke Bombs 4 x 3.5g - Formula 'P' Fumer Cluster Fly Bomb (HSE approved and tested – professional strength product)

Pest Expert Cluster Fly Killer Smoke Bombs 4 x 3.5g - Formula 'P' Fumer Cluster Fly Bomb (HSE approved and tested – professional strength product)

Product ID: 48628711

Details

Active ingredients
permethrin
Brand
Pest Expert
Item form
Powder
Specification met
USDA
Target species
Flies

⚡Fast-acting knockdown on contact

🏠Treats rooms up to 6m x 8m

🔥Max strength permethrin 13.25%

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6334 som

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In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Smoke out cluster flies before they even know what hit them!

RAPID ACTION SMOKE BOMB - Ignite and watch cluster flies vanish on contact—fast results, zero wait.
RESIDUE FREE LOW ODOR - No stains or unpleasant smells—perfect for homes and professional spaces alike.
MAXIMUM STRENGTH FORMULA - Harness the power of 13.25% permethrin for unbeatable cluster fly elimination.
COMPREHENSIVE INDOOR COVERAGE - Fumigates entire rooms including hidden corners unreachable by sprays.
ESSENTIAL FOR TOTAL FLY CONTROL - Integrate with your pest strategy for a full-spectrum cluster fly knockout.

Pest Expert Cluster Fly Killer Smoke Bombs deliver professional-grade fumigation with 13.25% permethrin, rapidly eradicating cluster flies in rooms up to 6m x 8m. This HSE-approved, low-odor, non-staining formula ensures thorough indoor coverage, making it an essential tool for effective, hassle-free cluster fly control in homes and businesses.

Specifications

ASIN	B012D6YZM2
Active Ingredients	permethrin
Best Sellers Rank	4,613 in Garden ( See Top 100 in Garden ) 74 in Fly Control
Brand Name	Pest Expert
Customer Reviews	4.1 4.1 out of 5 stars (1,492)
Item Form	Powder
Manufacturer	Pest Expert
Specification Met	USDA
Target Species	Flies

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TrustScore 4.5 | 7,300+ reviews

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