The Check Valve and Tubing kit is designed to be used with Del Ozone's Big Dipper and Eclipse 1, Eclipse 2 and Eclipse 4 Ozonators. The tubing and check valve should be replaced every year to prevent damage to your ozonating system. This is the standard duty kit and is most commonly used. For the Severe Duty kit, you would want to order 9-0777-02.
Standard Duty Kit Includes
10 Feet of Ozone Tubing - 7-0594
Ozone Check Valve - 7-1140-07
Del Ozone 9-0777-01