U.S. Remanufactured for Canon PG-40 Black Ink Cartridge Twin Pack Calibration The Rex Transmitter is a

The Rex Transmitter is a high-powered signal transmitter designed to provide efficient power delivery for accurate utility locating

The vivid red and silver housing improves visibility

9 mm bayonet base prisms

The valve is easy to use with one hand: simply use the hand pump until it is the right size

it is easy to read and has a magnified counter

U.S. Remanufactured for Canon PG-40 Black Ink Cartridge Twin Pack Calibration The Rex Transmitter is aU. S. remanufactured Canon PG 40 black twin pack is the highest quality replacement ink cartridge on the market. Using only original Canon PG 40 black cartridges, we remanufacture each cartridge to the highest quality standards to match OEM ink level, color, and performance guaranteed!