Reelcraft D9399 OLPBW-HTH Spring Retractable High Temperature mobile base reels offer the greatest amount of stability for high volume air. Ideal for portable service trucks, permanent service or plant work areas. The high operating temperature hose reels (HTH) are supplied with low pressure, rubber hoses for more extreme air temperature applications. The HTH reels are rated for temperatures ranging from -40 °F (-40 °C) to 212 °F (100 °C).