The Static Control TRHP23-340B-OS is a black laser toner powder from the Odyssey line, specifically formulated for use in HP LaserJet 2300 printers. This 340-gram supply provides the necessary pigment to maintain consistent print quality for those who refill their own cartridges. It comes packaged in a practical plastic bottle with a secure screw cap, ensuring the powder remains dry and easy to pour during the refilling process.