Elegra Dual Channel Argon Humidifier. Compatible with Agilent (Varian) Vista/7010-ES Series ICP-OES, 4100/4200 MP-AES, Leeman. This dual channel argon humidifier allows the nebulizer and auxiliary/make-up gas to be humidified. An argon humidifier is commonly used in ICP analyses involving samples with high concentrations of dissolved solids. It helps to alleviate salt deposits in the nebulizer & torch injector, allowing uninterrupted & maintenance-free operation. Compact, durable, cost-effective design with a non-pressurized water reservoir, & no heating or electric power required. Highly efficient membrane humidification technology that consistently maintains signal stability for samples with high TDS. Inert & metal-free eliminates possibility of contamination. Simple to use & maintain ensuring you are always operating under optimum conditions.Replacement Elegra Membrane, P/N 70-803-1286.Glass Expansion is ISO 9001:2015 certified by AB Certification, No. AU4501-900