ContraPest® Replacement Kit (400mL)
ContraPest® Replacement Kit (400mL)
ContraPest® Replacement Kit (400mL)
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ContraPest® Replacement Kit (400mL)

Includes 1 ContraPest 400mL Tank and 1 Tray to fit the PROTECTA EVO EXPRESS® station
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The ContraPest® Replacement Kit includes all the necessary components for continued deployment in the **PROTECTA EVO EXPRESS® bait station:

  1. One tank of ContraPest 400mL
  2. One 400mL Tray for ContraPest deployment

ContraPest, a non-lethal liquid contraceptive bait, works by chemically reducing fertility in both male and female Norway and roof rats, as soon as 24 hours after availability.

Deployment Frequency:
ContraPest replacement is recommended every one month and for best results is continued throughout the year as an ongoing, preventative maintenance program. 

You can enroll in our Monthly Subscription to receive a 5% discount on these Contrast Replacement Kits and enjoy hassle-free, rodent control maintenance.

  • ContraPest is officially EPA-approved for residential use in 48 states, but requires an RUP license if being deployed in: Connecticut, New York, Washington D.C., or schools within the state of CA.
  • Resale prohibited, distributors are not eligible to participate.
  • *ContraPest® is registered federally as a General Use Product when used as directed. However, in some states, due to applicator expertise, it is a Restricted Use Product. Please check with your local state regulatory agency to determine restriction status. Read and follow all label instructions for target species Norway and roof rats.
  • **PROTECTA EVO EXPRESS® is a registered trademark of Bell Laboratories, Inc. and SenesTech is not related or affiliated with Bell Laboratories, Inc.

Please Note: If you haven’t already purchased your ContraPest Starter Kit(s), we recommend you start there to receive the package discount for all your deployment needs to get started. Then purchase this ContraPest Replacement Kit for continued deployment.

Shipping is free on all orders. 

All orders are processed within 5-7 business days. Orders are not shipped or delivered on weekends or holidays.

If we are experiencing a high volume of orders, order processing may be delayed by a few days.

Read more about our Shipping Policies.

How it works

Deploying ContraPest and maintaining your bait stations is simple, but if you’re curious before you buy, we have a series of videos to learn everything about our revolutionary product—what to buy, why it works, how to set up a bait station and even how to replace tanks!

Watch More ContraPest Videos

why contrapest

Integrative System
Low Risk
Easy to Use

Have questions? Don't hesitate to contact our team for help at 1-866-886-RATS