... . 3. The delayed flow demonstrates its performance free of disturbance. 4. Soluble to such contaminants as water and acid. 5. Both ... offer type:EK-032S, EK-033S,EK-052S, EK-053S, EK-083S,EK-084S,EK-163S,EK-164S,EK-165S,EK-303S,EK-304S,EK-305S,EK-306S,EK-307S,EK-309S,EK-415S,EK-417S, Ek-419S ...