Hypro D70/AR70 Blueflex Diaphragm KitThe BlueFlex diaphragms establish a new benchmark for diaphragm durability under the toughest working conditions. Whether you are handling weed killers, fungicides, pesticides, liquid fertilizers or hard to handle liquids and aggressive chemicals, the BlueFlex diaphragms use some of the best performing diaphragm material currently available. The unique shape and thickness of the BlueFlex diaphragms have been carefully optimized to reduce mechanical