The Original Thomas MegaLite Pump with IAQ Options:
The Original Lite Pump. Quiet and powerful, the Original Thomas MegaLite IAQ Pump has an adjustable factory-installed 3-30 liters per minute rotameter with tubing.
This lightweight pump (only 4.5 lbs.) is ideal for any IAQ air sampling project.
Comes with a 1-year warranty! Rotameter is +/- 4% accuracy