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Philips ICN2S110SC35I Centium Electric Ballast, 120-277 V

Osram Sylvania 32W 120V T8 2-Lamp High Efficiency Electric Ballast

Osram Sylvania 26W/32W/42W Rapid Start Electric Ballast

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Osram Sylvania 28W T5 120V Quicktronic Electric Ballast

Osram Sylvania 32W 120V Quicktronic Professional Electric Ballast

Osram Sylvania 70W 120V M139/M98 Quicktronic Electric Ballast

Universal USB-2036-46 T12HO Magnetic Sign Ballast

Philips Advance RLQ120TPI Magnetic Ballast, 120 Volts

11 Ingenious Solar Projects Impacting the Developing World

The GravityLight uses gravity, acting on a weighted bag, to generate energy. great for camping or off-grid living -- no batteries. no solar cells that need sun. no hand cranks that lose their spring.

HID Ballasts: The Quick and Easy Digital Ballast Guide

Electric ballasts are a crucial part of your growing setup.don't make the wrong choice. All you need to know about MH and HPS ballasts is in this guide.

Johnson Pump F4B-11 Ski Boat Ultra Ballast Pump - 12GPM - 12V

10 innovative ideas that let us live on water

The Water-Scraper Designed by Malaysian architect Sarly Adre bin Sarkum. The building would generate its own power using wave-power, solar energy and wind power, and has its own farms, including aquaculture and hydroponics farms.

Halco 50180 - Ep232ps/mv/he T8 Fluorescent Ballast