4 Pin

Osram Dulux-F 24w Cap 2G10 Warmwhite/830 - 4050300333601

Osram Dulux-F 24w Cap 2G10 Coolwhite/840 - 4050300333588

Osram Dulux-F 36w Cap 2G10 Colour Warmwhite/830 - 4050300299051

8w T6 4 Pin Coolwhite/33 - 4000 Kelvin - 150mm Tight U-Bend Fluorescent Tube.

FPL 18w Japanese Compact Fluorescent with 4 Pins in a Square on the base 225mm

FPL 27w Japanese Compact Fluorescent with 4 Pins in a Square on the base

FPL 36w Japanese Compact Fluorescent with 4 Pins in a Square on the base

FPL 55w Japanese Compact Fluorescent with 4 Pins in a Square on the base

14w T6 4 Pin Coolwhite/33 - 4000 Kelvin - 200mm Tight U-Bend Fluorescent Tube.

18W T6 4 Pin Coolwhite/33 - 4000 Kelvin - 225mm Tight U-Bend Fluorescent Tube

25w T8 4 Pin Warmwhite/29 - 2700 Kelvin - 245mm Tight U-Bend Fluorescent Tube.

Fly Killer 40w T8 Blacklight Fly Zapper BL350 Tight U-Bend Fluorescent Tube

40w T10 4 Pin BL Flykiller 255mm - FUL40T10-BL

Fly Killer 18 T6 4 Pin Blacklight Fly Zapper 230mm Tight U-Bend Fluorescent Tube - Casell Brand

Fly Killer 15w T8 4 Pin Shatterproof Blacklight 200mm Tight U-Bend Fluorescent Tube

Fly Killer 12w T6 4 Pin Blacklight Fly Zapper 160mm Tight U-Bend Fluorescent Tube

Fly Killer 10w T8 4 Pin Blacklight Fly Zapper 160mm Tight U-Bend Fluorescent Tube