Best Insect Killers & Repellents — Aerosol Spray + Mid-range (2026)
2 insect killers & repellents matching power “Aerosol Spray” + price “Mid-range”, hand-picked from UK Amazon listings.
#1 Pick
Raid Rapid Action Fly & Wasp Killer, Fly Killer Spray For Indoor Use, Pack of 6 (6 x 300ml)Rated 4.6 out of 5 stars (6,654)
- Aerosol Spray
£16.84
Pros
- Bulk pack of 6 cans works out cheaper per can
- Rapid knockdown of flies and wasps on contact
- Well-known trusted brand
Cons
- Bulkier to store than a single can
#2 Pick
Karlsten Fly Killer Spray 600ml – 5 Metre Hyper Power Nozzle – Ultra-Strong Fly Spray for Home & Outdoor UseRated 4.4 out of 5 stars (122)
- Aerosol Spray
£16.99
Pros
- Large 600ml can lasts longer between refills
- 5-metre hyper power nozzle for hard-to-reach spots
- Effective on flies both indoors and outdoors
Cons
- Newer brand with a smaller review base than market leaders