13 Watt UV replacement bulb compatible with the following Aquatop products:
- FZ13 Canister Filter with UV Sterilizer
- SP13-UV Internal Filter with UV Sterilizer
- UVP-13 Submersible Pump UV Sterilizer
- UVCP-13 Submersible Pump UV Sterilizer
- UVFK-13 Submersible Pond UV Sterilizer with Pump + Fountain Kit
- UVE13 UV Sterilizing Pump