DEL Ozone's 5-4012 Fuse Holder fits these current ozone systems:

• Ozone 25 (EC-10)
• Ozone 50 (EC-20)
• Ozone 100 (EC-100)
• AOP 50 (SEC-110-26)

The 5-4012 Fuse Holder also fits in these discontinued DELZONE UV and Eclipse CD Ozone Generators for pools and spas:

• Eclipse 1, 2 and 4
• ZO-500
• ZO-900
• ZO-910
• ZO-912
• ZO-940
• ZO-942
• ZO-810
• ZO-812
• ZO-840
• ZO-842

If you have an old-school DELZONE pool ozonator, consider updating to modern technology in our Pool Ozone section.