Philips 7 Watt PLS UV Bulb

High power compact PL-S Philips 7 watt UVC bulb Helps combat green water in fish ponds

Tropical Marine Centre TMC UV Lamp GPX PLS

High quality UV bulb suitable for many brand of pond filtration systems Germicidal UV-C GPX PLS Lamp

Philips 5 Watt PLS UV Bulb

High power compact PL-S Philips 5 watt UVC bulb 100mm long (4.5" inch) Helps combat green water in fish ponds

Jebao 5 Watt PLS UV Replacement Light Bulb/Tube/Lamp

Single end fitting 5 watt twin tube PL-S style bulb  

Arcadia Ultra Clear Compact UVC 5 Watt PLS Fish Pond UV BUlb

Arcadia ultra clear compact UVC 5 watt UV bulb 5 watt PL-S type lamp with G23 style base 100mm long (4.5" inch)