Manifold M15, hollow glass stopcocks, double

With 4mm double hollow vacuum stopcocks. This four–port manifold is fitted with two 14/23 and 24/29 inner joints, and is 100mm center to center joints. #15 O-ring joint stopper (S480015) and #15 O-ring joint to serrated hose adapter have to be ordered separately. Viton® O-rings can be ordered using item #R116.