Have You Heard? 2020 update to AVMA Guidelines
The AVMA has published the 2020 edition of the AVMA Guidelines for the Euthanasia of Animals. Per section 12.2 (and others), “the conditions for the use of CO2 with rodents in the laboratory have changed from a recommended 10% to 30% of the chamber or cage volume/min to a recommended 30% to 70% of the chamber or cage volume/min.”

Overview
Now you can ensure that your laboratory rodents are humanely euthanized without disrupting your laboratory workflow. The Quietek™, in use worldwide since 2013, is the original, affordable, fully-automated instrument specifically designed to ensure compliance with 2013 AVMA guidelines. (It is also designed to withstand urine and excrement.)
●Takes the Guesswork Out of Euthanasia
Designed by animal research facility managers and scientists, easy to use, accurate system ensures that you correctly administer CO2 by automatically calculating gas delivery for your cage volume and desired fill rate. CO2 conditions will be consistent every time, thereby eliminating a source of variation.
●Fail-Safe and Easy to Operate
All you need to do is press the start button. There are no valves to turn (or accidentally leave open) between runs and no regulators to adjust. Ideal for the inexperienced, sleep deprived, or overworked laboratory technician. The Quietek also features a key lock that prevents unwanted or accidental tampering with the settings.
●Reduces Impact on Your Lab
The Quietek seamlessly integrates into your current protocols. Use it with most common chambers or cages. Lids are available in several sizes.

Benefits
1.Easy Compliance
The Quietek seamlessly integrates into your existing workflow with no additional training required. Just push the “Start” button to operate.
2.Prevents Errors
The recommended gas rate is administered appropriately, every time. Use the key lock to prevent settings from being changed.
3.Consistent
The Quietek eliminates variation in CO2 induction conditions which can change tissue characteristics. A run timer allows you to document conditions for each animal.
4.Humane
Flow and pressure sensors ensure that the flow of CO2 is accurate, so that ethical standards are maintained. With this precision, you can tailor the flow rate as desired within the guidelines, such as to be more gradual or to save time.

Features
Both the Quietek 1 and Quietek XL models can switch between 2 cage sizes, for example, if a lab works with mice and rats or 2 different size mouse cages.
The Quietek™ 1 is available with and without RapidFill™, in which after the rodent is anesthetized, you can maximize the fill rate and save time. The Quietek XL is for larger cages.
● Gas flow rate calculated automatically for your cage size
● Key lockout prevents unauthorized tampering with controls
● Consistent gas delivery
● Run timer for ease of documentation
●Works with common rodent chambers or cages
●Lids available in several sizes
● Includes quick release fitting and hoses to connect to chamber or cage lid
● Adapters available to fit your current cage systems. Please contact us.
● CE Mark
● Made in the USA

Model

All of our models can switch between 2 cage/chamber sizes, for example, if a lab works with mice and rats or 2 different size mouse cages. The Quietek™ 1 is available with and without RapidFill, in which after the rodent is anesthetized, you can maximize the fill rate and save time.
Quietek models are designed for different sizes and numbers of cages. The Quietek 1 is suitable for cages between 3 and 30 liters in volume, and can be used with one chamber at a time. For larger chamber sizes (30 to 200 liters), we offer the Quietek XL.

Accessories
Accessories include spare keys and replacement tubing in the color of your choice.
If you need additional fittings, other tubing, or anything else, please contact us.
1.Cage Lid
Cage Lid – 13x 9 in. (33 x 22 cm.)
Cage Lid – 16x11 in. (40 x 28 cm.) 
Cage Lid – 18x14 in. (45 x 35 cm.)  
Cage Lid – 21x11 in. (53 x 28 cm.) 
Cage Lid – 24x17 in. (60 x 43 cm.)  

2.Carbon Dioxide Regulator  
High flow regulator allows inlet pressure control of CO2 for any of the Quietek™ models. CGA320 inlet adapts to a standard USA carbon dioxide cylinder and 1/4″ barb outlet is ideal for connection to the Quietek. Automatic blow-off releases line pressure if in excess of 50 PSI to prevent damage to the Quietek.

3.Quietek Inlet Tubing        
This 10 foot coil of polyester braided PVC tubing is ideal for connecting a Quietek to a regulator or centrally plumbed CO2 system. 1/4 inch inner diameter (ID) tubing is rated for 350 psi.
4.Quietek™ Tubing 
6 feet of tubing to connect the Quietek to a cage lid. Comes with a quick connect fitting. Comes in a Blue, Green, Red, Yellow or Clear hose.
5.Quietek™ Keys   
Quietek replacement keys. Set of 2.
International Guidelines
Now you can ensure that your laboratory rodents are humanely euthanized without disrupting your laboratory workflow. Introducing the Quietek™, the affordable, fully-automated device specifically designed by us to ensure compliance with strict international guidelines.
United States: “An optimal flow rate for CO2 euthanasia systems should displace 10% to 30% of the chamber or cage volume/min. Prefilled chambers are unacceptable.” 2013 AVMA Guidelines (pg. 49)
Canada: “…a gradual-fill rate of less than 30% and greater than 20% of the chamber volume per minute should be used.” CCAC Guidelines on: Euthanasia of Animals Used in Science (pg. 19)
United Kingdom: “Exposure to carbon dioxide gas in a rising concentration: appropriate for rodents and rabbits and birds up to 1.5kg…a controllable, metered source of carbon dioxide gas should be used.” The Humane Killing of Animals under Schedule 1 to the Animals (Scientific Procedures) Act 1986 (pg. 6)
European Union: “Only to be used in gradual fill.” Official Journal of the European Union (pg. 72, 73)
Australia: “a gradual fill of the chamber with 100% CO2 at a rate to fill 20% of the chamber volume per minute was agreed as good practice” Guidelines to Promote the Well-being of Animals Used for Scientific Purposes (pg. H3)

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