Graham Field Small Bore Test Tube Brush M9 Oxygen Cylinder with smart features solely focused

with smart features solely focused on your comfort

generating positive pressure that effectively mobilizes obstructive mucus

making the chair easy to store and transport

The Inogen One G5 Backpack is an ideal accessory for the active oxygen user

Easy-to-Use

Graham Field Small Bore Test Tube Brush M9 Oxygen Cylinder with smart features solely focusedGraham Field Small Bore Test Tube Brush Features White bristles with and 0. 5" spongeend Galvanized twisted wire handle Ideal for cleaning small culture tubes, test tubes, sahli tubes and all small bore glassware Specification Brand: Graham Field Product Type: Test Tube Brush Length: 6" Size: 0. 5" x 3" Bristles