Inquiry (采购产品): small nitrogen cylinder Hi, I need a small cylinder of nitrogen gas to calibrate an indoor air meter (it is used to measure CO2 levels in air). What is the smallest that you carry and what does it cost? My air meter is a Telaire 7001. Thanks! **** Hidden Message ***** Alice Chapman WA 98109 USA Company: King County Haz Waste Title: Engineer III Phone: 206-263-3058 E-mail: alice.chapman@kingcounty.gov **** Hidden Message ***** alice.chapman@kingcounty.gov
