Pen All-Weather-97B Blue/MB Pumps This feature permits GilAir Plus

This feature permits GilAir Plus calibration at ground level and sampling at high elevations or deep mines without loss of flow accuracy or the need to calculate and use manual correction factors

Long lasting

WHILE SUPPLIES LAST

reliable communication

Measure filter efficiency

Pen All-Weather-97B Blue/MB Pumps This feature permits GilAir PlusWRITES UPSIDE DOWN Pressurized ink cartridge performs in temperatures from 30F to 250F, underwater (down to 35 ft), and at any angle. INK WON'T SKIP The proprietary ink and delivery system used exclusively in Rite in the Rain Pens will write without skipping in extremely wet conditions. WRITES THROUGH Permanent ink writes through water, sweat, grease, and mud without clumping or smearing. Unit: OneWarehouse Location: Portland, Maine