MSA Advantage® 290 Half-Mask Respirator with Source Control Blaklader Women's Bottoms A plunger at the bottom

A plunger at the bottom of the probe is used to measure total well depth

The Ekman Dredge is constructed of 300 series stainless steel

Rating: IP65

0 - 90% relative humidity (non-condensing) Power Supply Four AAA alkaline batteries

5 years for pump keypad

MSA Advantage® 290 Half-Mask Respirator with Source Control Blaklader Women's Bottoms A plunger at the bottomMSA Advantage 290 Half Mask Respirator with Source Control First NIOSH approved half mask respirator without exhalation valve MSA Advantage 290 Elastomeric half mask respirator provides healthcare professionals a secure protection solution. The Advantage 290 enables user protection up to P100 level which is above N95 requirements. It is also a solution for source control which is achieved by eliminating an exhalation valve, thereby providing