{"product_id":"gasco-221l-301a-calibration-gas-air-carbon-dioxide-methane-221-l-cga-165-connection-5","title":"Gasco 221L-301A - Calibration Gas, Air, Carbon Dioxide, Methane, 221 L, CGA 165 Connection, +\/-5% Accuracy","description":"\u003cp\u003eCalibration Gas, CGA Number CGA 165, Container Type Cylinder, Cylinder Capacity 221 L, Cylinder Diameter 9 in, Cylinder Height 16.25 in, For Use With All OEM Gas Detectors, Gas Mixture Carbon Monoxide 50 ppm, Methane (50 Percent LEL) 2.5 Percent, Oxygen 18 Percent, Gas Type Carbon Dioxide, Methane, Product Type Calibration Gas, Chemical Formula CH4, CO2, CAS Number 124-38-9, 74-82-8, Accuracy +\/-5 Percent, Background Gas Nitrogen, Calibration Certificate NIST, Cylinder Material Steel\u003c\/p\u003e","brand":"Gasco","offers":[{"title":"Default Title","offer_id":43341929185374,"sku":"221L-301A","price":192.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oAJ0jcpEx_a3d39ff9-4b62-440f-9079-d0e7052320e5.jpg?v=1794527948","url":"https:\/\/nationalboilersupply.com\/products\/gasco-221l-301a-calibration-gas-air-carbon-dioxide-methane-221-l-cga-165-connection-5","provider":"National Boiler Supply","version":"1.0","type":"link"}