---
product_id: 261644416
title: "Bed Bug Killer Spray 5L | Bed Bug Treatment | HSE Registered 10668"
brand: "karlsten"
price: "€ 99.91"
currency: EUR
in_stock: true
reviews_count: 8
category: "Karlsten"
url: https://www.desertcart.fr/products/261644416-bed-bug-killer-spray-5l-bed-bug-treatment-hse-registered
store_origin: FR
region: France
---

# Residual effect up to 3 months Kills resistant bed bugs & eggs 5L ultra-strong spray Bed Bug Killer Spray 5L | Bed Bug Treatment | HSE Registered 10668

**Brand:** karlsten
**Price:** € 99.91
**Availability:** ✅ In Stock

## Summary

> 🛡️ Sleep tight, bed bugs fight – the pro’s choice for pest-free nights!

## Quick Answers

- **What is this?** Bed Bug Killer Spray 5L | Bed Bug Treatment | HSE Registered 10668 by karlsten
- **How much does it cost?** € 99.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/261644416-bed-bug-killer-spray-5l-bed-bug-treatment-hse-registered)

## Best For

- karlsten enthusiasts

## Why This Product

- Trusted karlsten brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Direct Mattress Use:** Apply directly on mattresses (not sheets/pillowcases) for targeted pest control.
- • **Ultra-Strong 5L Formula:** Bulk size for professional-grade, long-lasting bed bug elimination.
- • **HSE Registered & Trusted:** Certified safe and effective by UK Health & Safety standards (10668).
- • **Extended Residual Protection:** Keeps killing bed bugs for up to 3 months after application.
- • **Proven Against Resistant Pests:** Defeats even the toughest bed bugs that resist common sprays.

## Overview

Karlsten Bed Bug Killer Spray is a professional-grade, HSE-registered pesticide designed to eradicate bed bugs and their eggs, including resistant strains. Its ultra-strong 5L formula offers up to 3 months of residual protection, making it ideal for long-term pest control on mattresses. Trusted across UK homes and dorms, it combines safety with powerful effectiveness.

## Description

Karlsten Bed Bug Killer Spray 5L | Bed Bug Treatment | HSE Registered 10668 : desertcart.co.uk: Garden

Review: Effectiveness - Awesome
Review: Bug killer - Fantastic job honestly

## Features

- Use biocides safely. Always read the label and product information before use.
- Very toxic to aquatic life with long lasting effects.
- Very toxic to aquatic life.
- PROFESSIONAL BED BUG KILLER UK Health & Safety registered 10668 -Karlsten Ultra Strong kills Bed Bugs .. Protect yourself and eliminate bed bug infestations with this pest control solution
- DIRECT USE ON MATTRESSES BUT NOT SHEETS OR PILLOW CASES – Do not use on Human or pet bedding
- IDEAL FOR RESISTANT PESTS – worried about stubborn bed bugs that won’t die? Say no more! Karlsten pro killer is proven to kill even the toughest of bugs that are resistant to most common cypermethrin sprays on the market. Unlike traditional pesticides, ours pro formula will eradicate the bugs and their eggs.
- Extended Residual Kill up to 3 Months– this ultra-strong pesticide remains effective 3 months after the initial spray. Using it on your mattress means you do not have to use it for another 3 months. The long-lasting residue ensures you do not have to spray your beddings or affected area regularly.
- HSE REGISTERED 10668 BRAND – we are a proudly registered and approved brand. Our bed bug killer spray is safe for use at your home or university dorm as it follows standards set by the Environmental Protection Agency.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LYJF8LY |
| Active Ingredients | Cypermethrin |
| Active ingredients | Cypermethrin |
| Best Sellers Rank | 6,988 in Garden ( See Top 100 in Garden ) 89 in Bed Bug, Flea & Mite Control |
| Brand | Karlsten |
| Brand Name | Karlsten |
| Country of Origin | United Kingdom |
| Customer Reviews | 4.0 out of 5 stars 380 Reviews |
| Item Form | Spray |
| Item form | Spray |
| Liquid Volume | 5000 Millilitres |
| Liquid volume | 5000 Millilitres |
| Manufacturer | lodi |
| Specification Met | HSE 10668 |
| Specification met | HSE 10668 |
| Target Species | Bed Bugs Eggs |
| Target species | Bed Bugs Eggs |
| Unit Count | 5000.0 millilitre |

## Product Details

- **Active ingredients:** Cypermethrin
- **Brand:** Karlsten
- **Item form:** Spray
- **Liquid volume:** 5000 Millilitres
- **Specification met:** HSE 10668

## Images

![Bed Bug Killer Spray 5L | Bed Bug Treatment | HSE Registered 10668 - Image 1](https://m.media-amazon.com/images/I/51QLLOB4rxL.jpg)

## Questions & Answers

**Q: do i need to wear mask and gloves to apply this product ?**
A: Glove yes ..masc not reali .but is a good finger to have tea on

**Q: Does it also work for fleas?**
A: No

**Q: Five liters how many covers an area?**
A: Alot

**Q: Can i use it in a cleaning steamer?**
A: I think so. Don't write anywhere you can't.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effectiveness
*by G***E on 28 June 2026*

Awesome

### ⭐⭐⭐⭐⭐ Bug killer
*by I***N on 18 June 2026*

Fantastic job honestly

### ⭐⭐⭐⭐ seems effective. Smell is ok too. value for rmoney
*by R***R on 11 November 2025*

so far so good. bought as replacement/refill for smaller spray. seems effective. Smell is ok too. value for rmoney

## Frequently Bought Together

- Karlsten Bed Bug Killer – Ultra Strong Pest Control Spray – Pro Bed Bug Protection – (5 Litres) HSE 10668 Registered
- CritterKill 16g Bed Bug Smoke Bomb Fogger Fumigator | Kills Bedbugs | Professional Strength Product (4)
- NOPE! CP Bed Bug Killer Treatment (5 Litre) - Odourless & Non-Staining, Extended Residual Kill up to 3 Months for Mattress, Bed Frames, Carpets, Furniture

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**Shop now:** [https://www.desertcart.fr/products/261644416-bed-bug-killer-spray-5l-bed-bug-treatment-hse-registered](https://www.desertcart.fr/products/261644416-bed-bug-killer-spray-5l-bed-bug-treatment-hse-registered)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-09-14*