Farm Duty belt rated for vacuum pumps Replacement Belt for Model 7100, 70100 A32 model 34-1/5 " x 1/2" outside dimensions Gates Hi-Power® II belts have concave sidewalls to distribute wear evenly while providing proper belt support for improved service life. Flex-bonded cords and Flex-Weave® covers make them the No. 1 choice for heavy-duty conventional V-belt drives. Resists the effects of oil, heat, ozone, sunlight, weather and aging. Superior length stability means less tensioning and take-up during service.