DeadFast Fly Killer Spray

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COMING SOON FOR 2026

DeadFast Fly Killer Spray is a highly effective, fast-acting solution designed to eliminate flies and mosquitoes quickly. Its powerful formula provides protection that lasts for up to 24 hours, ensuring long-lasting results without the need for constant reapplication.

Unlike many insect sprays, DeadFast Fly Killer Spray has a low odour composition, so it won’t leave any unpleasant smells behind, making it perfect for use in kitchens, living areas, or other indoor spaces. Easy to use and reliable, it’s the ideal choice for keeping your home free from flying pests.*

Kills flies and mosquitoes
Lasts for up to 24 hours
Fast action*
Low odour spray
For indoor use only

*Kills flying insects after 15 minutes.

Sizes available

300ml

Why use?
How to Use
Tips & Advice

Why use DeadFast Fly Killer Spray?

Kills flies and mosquitoes quickly with a fast-acting formula
Provides up to 24 hours of long-lasting protection
Low odour spray leaves no unpleasant lingering smells
Ideal for indoor use in kitchens, living areas, and other rooms
Easy to use for a more comfortable, pest-free home*

*Kills flying insects after 15 minutes.

Where to Use

For indoor use only.

Before Application

Remove or cover aquariums containing fish and terrariums. Also, remove any animals from the room.
Remove or cover food and food dishes.
Exclude animals during application.

How to Use

Shake well before use.
Point spray away from face and press the nozzle while holding in a vertical position.
Do not use on wallpaper and spray at least 1 metre from the wall surface.
For quick knockdown use as a direct spray towards the insect.
To clear a room of insects, start at the farthest part of the room and move towards the exit. For a room size of 30m2 (3x4m), spray for 7-10 seconds.
Kills flying insects after 15 minutes*.

After Use

Do not touch treated surfaces until dry.
Leave the room closed for 1 hour, then carefully ventilate for 1 hour.
Wash your hands and exposed skin before meals and after use.
Lasts for up to 24 hours.

Precautions

Use only as described on the label. Do not breathe spray mist. Do not contaminate foodstuffs, food containers, and feeding stuffs. All bats are protected under the Wildlife and Countryside Act 1981. Before treating any structure used by bats, consult Natural England, Scottish Natural Heritage, or the Countryside Council for Wales.

For Ireland: All bats are protected under Schedule 5 of the Wildlife Acts (1976 and 2000). Before treating any structure used by bats, consult the National Parks and Wildlife Service.

DANGER

Extremely flammable aerosol. Pressurised container: May burst if heated. Very toxic to aquatic life with long lasting effects.
Keep out of reach of children. Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources.No smoking. Do not spray on an open flame or other ignition source. Do not pierce or burn, even after use. Avoid breathing spray. Protect from sunlight. Do not expose to temperatures exceeding 50°C. Dispose of contents/container in accordance with national regulations. HAZARDOUS TO BEES.

To avoid risks to human or animal health, or the environment, comply with the instructions for use.

Statutory Conditions Relating To Use:

Read all precautions before use.
HSE No. 11117-GB
Users must comply in full with all their legal responsibilities under the Control of Pesticides Regulations 1986 (as amended), including complying with all Conditions of Approval.
HSE No. 11117-NI
Users must comply in full with all their legal responsibilities under the Control of Pesticides Regulations (Northern Ireland) 1987 (as amended), including complying with all conditions of Approval.

Waste handling:

This material and its container must be disposed of safely. Dispose of in accordance with applicable regulations.

First aid:

Inhalation: Avoid inhalation of spray. Remove the exposed person to fresh air, protect from loss of heat. If breathing is difficult, use breathing assistance and call a doctor immediately.

Eye Contamination: rinse eyes with plenty of water for at least 15 minutes when eyelids are rolled up (avoid strong water jet). If pain and redness in the eyes persist, consult an ophthalmologist immediately. Skin contamination: take off contaminated clothing, rinse the skin with plenty of soap and water. Wash clothes before reuse. Consult a physician immediately in case of any disturbing symptoms.

In case of ingestion: do not induce vomiting without medical consultation, ensure calm. Call for medical attention immediately.

Most important symptoms and effects, both acute and delayed: Eye Contamination: irritation, redness, tearing, burning. Skin contamination: Irritation, sensitization. Inhalation exposure: Pain and/or dizziness may irritate mucous membranes and upper airways. After ingestion: nausea, vomiting, diarrhoea.