ContraPest Tank, 400mL
SenesTech | ContraPest 400ml bottle in use
ContraPest Tank, 400mL
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ContraPest Tank, 400mL

Sold in increments of 12 tanks per case
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*ContraPest® is a non-lethal fertility control solution for rodent control and maintenance, reducing non-target species risk.

ContraPest 400mL tanks are ordered in increments of 12 and designed to be placed in **PROTECTA EVO Express® bait stations. For success, ContraPest tanks should be changed out monthly, ensuring continuous product supply. If tanks are empty prior to the end of the month, we suggest either deploying additional bait stations or placing two tanks per bait station.

Why ContraPest?

• Non-lethal fertility control
• Reduced risk to non-target animals
• Works in both male and female rats
• Shown to reduce rat populations by 94-99%
• Delicious and appealing to rats
• Reduced risk to bait aversion
• EPA approved, for residential use - see disclaimer tab

*ContraPest® is registered federally as a General Use Product when used as directed and is EPA-approved for residential use in 48 states, but requires an RUP license if being deployed in: Connecticut, New York, Washington D.C., or public schools within the state of CA.

ContraPest 400mL tanks are designed to fit the **PROTECTA EVO Express® bait station. PROTECTA EVO Express is a registered trademark of Bell Laboratories, Inc. and SenesTech is not related or affiliated with Bell Laboratories, Inc.

400mL ContraPest tanks are sold in increments of 12 (12 tanks per case). Resale prohibited, distributors are not eligible to participate.

See full disclaimer.

Free shipping 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