JINGERL 12V 600W 1."BSP. Heating element tubular electric heater immersion DC solar water heater element (colour: heater and nut, size: 12V 600W BSP) : Amazon.co.uk: DIY & Tools
SSDMJ 12v 600w 1" BSP Heating Element Tubular Electric Heater Immersion Dc Solar Water Heater Element (Color : Heater Thread, Wattage : 12v 600w BSP) : Amazon.co.uk: DIY & Tools