Marina Aqua-Glo Showcase incandescent bulbs provide long-lasting illumination for a wide variety of aquarium settings. The screw-on bulbs have an aqua blue coated finish and fit standard size light fixtures. 1 bul
Digital Luxmeter, economical solution for light measurements in a learning situations, the autoranging feature makes a one-button-and-done instrument, auto power-off conserves battery power, and other functions include MAX, MIN, and HOLD, Requires a 9V battery (not included)