8g n2o whipped cream charger Each charger is filled with 8 grams of the highest quality medical-grade n2o. Made out of 100-percent recyclable steel; cleaned thoroughly with a solvent. Each charger should be used at a ratio of 1 charger per pint. The cylinders are about 6.3 cm (2.5 inches) long and 1.8 cm (0.7 inches) wide. Specification Test result Units Nitrous oxide(n2o) 99.9% 99.9% % No/no2¤1pp 1.0 Ppmv Carbon monoxide (co) 5 pp 5.0 Ppmv Carbon dioxide(co2) 100 pp 100.0 Ppmv Moisture(h2o)¤10 pp¤10.0 Ppmv