Air Lab Werks UVC Replacement Bulb 4 pin version UV-LO-10WS MP5000T8/V it provides both high efficacy

it provides both high efficacy and sustainable operation over an extended service life

The Neptune TRI-12 Replacement UVC Light Bulb is a 33 Watt germicidal water treatment bulb that has four pin on a single end

Inca - Columbia Turbo

2 inches (1148mm)

Air Lab Werks UVC Replacement Bulb 4 pin version UV-LO-10WS MP5000T8/V it provides both high efficacyUV Water Sanitizer Lamp Replacement for Power Lamp GPH165T5L VH 4P Product Details Product Dimensions: 2 x 1. 2 x 9. 5 inches Item Weight: 2. 4 ounces Shipping Weight: 2. 4 ounces Make sure this fits. by entering your model number. Wattage: 8W Base Type: T5 4pin Base (4pins on ONE END) Type: Ozone Generating UV Lamp; (60 40) Glass Type: Quartz Glass Tube