Penray Power Fleet division said it offers the Pencool NF3000 with Stabil-Aid cooling system filters to combat overheating and other cooling system problems like scaling and liner pitting. They combine a high-quality, long-life filter with one pint or more of Pencool 3000 cooling system corrosion inhibitor and coolant stabilizer that is accepted for use by major engine manufacturers and is compatible with all types of antifreezes. All NF3000 version filters fit standard filter brackets for Detroit Diesel, Caterpillar, Cummins, Ford, etc. engines. For more information, visit http://www.penray.com.