2108ABF00X00-56529

MODEL 2100 GAUGE HATCH NO LATCH DESIGN; 8" SIZE,; FLAT FACE ALUMINUM FLANGE BASE/COVER; FKM DIAPHRAGM; SPECIAL WEIGHT MATERIAL; PER SPQ NUMBER 56529 WITH SPECIAL CONFIGURATION FOR 0.40 OZ/IN2 SPRING LOADED VACUUM SETTING WITH 16 OZ/IN2 PRESSURE SETTING AND SPECIAL POWDER COATED STEEL WEIGHTS TO REDUCE COST.