North 7700 Series Half Face Silicone Respirator Head Protection The coupler w/duct makes for

The coupler w/duct makes for simple storage and attachment

The Bluewater Safety Rail 2000 stand alone base weighs 96 lbs

Note: most instruments shipped by distributors were last calibrated by the manufacturer weeks prior to your getting the detector

They can be used as a portable or permanent solution

It is made to use with 8" blowers

North 7700 Series Half Face Silicone Respirator Head Protection The coupler w/duct makes forThe North 7700 Series half mask respirator sets the standard for comfort, fit and reliability. It's silicon construction is hypoallergenic. Its suppleness makes it a breeze to fit. Its suspension is fully adjustable and easy to use. Cartridges and filters sold separately. You can find them HERE. Features: Silicone facepiece material conforms to facial features and doesn't harden with age. Silicone is easy to clean, extremely durable and resists