Breathe Easy with Precision! 🌬️ Perfectly sized for easy storage and transport. Comes in a pack of 50 for extended use. Manufactured in the USA for reliability. Designed for accurate air sampling. Ideal for various lab environments. 3.0" x 3.0" x 2.0" 1.1 lbs Made in USA The Air-O-Cell Cassette is a high-quality lab supply designed for accurate air sampling. Each cassette measures 3.0" x 3.0" x 2.0" and weighs 1.1 lbs, making it compact and easy to handle. Proudly made in the USA, this product comes in a convenient pack of 50, ensuring you have the supplies you need for various laboratory applications.