The Disposable Groundwater Filter Capsule is designed specifically for field filtering groundwater samples for metals analysis with 1/8" NPT threaded inlet and outlets with stepped hose adapter on the inlet side for in line filtering of pumped samples with up to 3/8" ID tubing. An optional stepped barb can be threaded on each end for use of up to 1/2" tubing. Features a true membrane element, certification for 67 metals and 2 anions, filtering capacity of 1 liter for most turbid samples and 1/8" NPT treaded ends with stepped hose adapter on inlet side. Available in 0.1, 0.2, 0.45, 1, 5, and 10μm elements.