Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information EFC Valves & Control ← View details 113 Meadow Ridge Drive, Elk City, OK 73644 +1 580-225-0180