The Douglas Bag (120 liters) is a high-quality respiratory gas collection bag used for exercise physiology, pulmonary function testing, and metabolic studies. Designed for precise collection of expired air, these bags are ideal for research labs, medical colleges, and industrial health studies.

This pack of 60 disposable Douglas Bags is compatible with standard respiratory equipment and available as part of the Exercise Breathing Consumables Kit. Each bag is crafted with high-grade, leak-proof material, featuring an opening diameter of 37–39 mm (outer) and 30 mm (inner) for secure connections.

Affordable and export-quality, these bags are widely used in Indian and global labs across Africa, Europe, Asia, and the USA.

✅ Realistic Use Case Scenarios

• Students & Schools: Demonstrating lung capacity and respiratory gas exchange

• Universities & Medical Colleges: Used in exercise science and sports physiology labs

• Nursing & Engineering Colleges: Teaching metabolic and respiratory assessments

• Industrial Labs & Research Centers: Workplace respiratory health testing & environmental studies

• Global Buyers: Ideal for bulk procurement in institutional labs

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✅ Technical Specifications

• Capacity: 120 liters

• Pack Size: 60 bags

• Opening Diameter: Outer – 37–39 mm; Inner – 30 mm

• Material: Leak-proof, high-quality medical-grade plastic

• Compatibility: Exercise Breathing Consumables Kit

• Applications: Expired air collection for respiratory studies