Item Number: 901-MO10-D2.6Product Category: TherMOstat Sizing KitsDual 66.04mm/2.6" Bubbler Kit (fits 63.50mm - 68.33mm bubblers) Specifications Bubbler OD Nominal Dimensions (ND): 66.04 mm2.60 inBubbler OD Min: 63.50 mm2.50 inBubbler OD Max: 68.33 mm2.69 inBubblers per Thermostat: 2 x 1Fits to: 63.50mm - 68.33mm bubblers Related Products TherMOstat 10.0