Thermo Scientific AMS-4 Continuous Beta Air Monitors, Item Description: Filter paper for the AMS-4; 0.47 mm, particulate type LB5211 or equivalent, Recommended Applications: Safety
Thermo Scientific AMS-4 Continuous Beta Air Monitors, Item Description: Filter paper for the AMS-4; 0.47 mm, particulate type LB5211 or equivalent, Recommended Applications: Safety
Fisherbrand Wet-Strengthened Qualitative Filter Paper Circles, Diameter: 11cm, Format: Circle, Grade: P8, Cellulose, Porosity: Coarse, Flow Rate: Fast, For Use With: Use for coarse particles and gelatinous precipitates., Particle Retention: