Colour: 840 / Cool White 4000k. Length Excluding The Pins: 437 mm. Know as 18" tube.
x4 18W / 840 2 ft 18 Watt 4000k Cool White tube T8 589 mm Patron
x2 15W / 840 18 inch 15W 15 Watt 4000k Cool White tube T8 437 mm Patron
x4 15W BC CLEAR PYGMY LIGHT BULB SIGN LAMP 240V STANDARD BAYONET CAP FITTING B22
Philips Master TLD-D 15W/840 437 x 26mm T8 Fluorescent Tube, Cool White 4000K
4 x 15W Tube T8 840 Cool White Fluorescent 580lm G13 4000k known as 18" tube
2 x 15W Tube T8 840 Cool White Fluorescent 580lm G13 4000k known as 18" tube
