Ultra Zap 30W UV Light Replacement Tube
Follow the below steps to install the replacement tube
1. Unscrew the blue nuts and remove the o'rings
2. Carefully insert the replacement tube into the UV unit
3. Fit the o'rings to the outer ends of the tube
4. Screw the blue nuts onto the ends until it fits flush onto the o'ring whilst ensuring not to over tighten
5. Connect the tube connectors to the ends of the tube and affix the clear PVC covers onto to blue nuts.