Check the listing for details. Kewaunee Air Alert 500. Condition: New – Open box. Listed at 89.99 USD. This Kewaunee Air Alert 500 fume hood module unit is perfect for any medical, lab, or caregiving facility. With its three units included in this listing, you can have peace of mind knowing that your fumehood is properly equipped. The unit is designed to detect and alert personnel of any hazards in the lab, ensuring a safe working environment. The Kewaunee is known for their reliable and high-quality products, and this Air Alert 500 replacement module unit is no exception. It is a must-have for any healthcare, lab, or dental facility. The unit quantity of three allows for multiple areas of use, ensuring that your facility is well-equipped. Invest in the Kewaunee Air Alert 500 unit today to ensure a safe working environment for your staff.