Deadfast Mouse and Rat Killer Blocks are formulated with difethialone, an advanced active ingredient with no known resistance in rodents. These bait blocks are designed to deliver a lethal dose in a single feed, making them highly effective even in high-infestation environments.

Ready to use straight from the pack, the blocks are suitable for both indoor and outdoor application. Their stable formulation performs across a wide temperature range from -15°C to +50°C. Each pack includes 15 blocks, easy to spike, rod, and replace as needed. For house mouse control in low infestations, apply two block sachets every 2–3 metres.

Key Features:

• Contains difethialone – no known resistance in rodents
• Delivers a lethal dose in one feed
• Ready to use – no mixing or setup required
• Suitable for indoor and outdoor use
• Stable in temperatures from -15°C to +50°C
• Pack of 15 easy-to-handle bait blocks

This effective and easy-to-use rodent control solution is ideal for tackling both minor and heavy infestations quickly and efficiently.

Specifications:

• Item weight: 0.31 kg
• Target species: Rodents
• Pack size: 15 bait blocks
• Application spacing: 2 blocks every 2–3 metres for house mice (low infestations)
• Temperature range: -15°C to +50°C

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.