Tender For supply of knudsen effusion cell short 100 micro meter , knudsen effusion cell short 300 micro meter , 18 mm sample metal pan stainless steel , metal sample pan with handle stainless steel , solvent reservoir o ring for igc sea , standard column oven o ring kit , o ring 45.69 x 2.62 viton , balance hat o ring 164.5 x 3 mm fkm viton , o ring viton 15.60 id x 1.78 mm cs fkm viton 75 sha , o ring kf 16 centering viton fkm ss , o ring kf 25 centering viton , o ring kg 40 centering viton , hangdown wire for dvs 125 mm stage 2 130 mm stage 3 , hangdown wire for vpa 155 mm , ultra balance diamond loops dvs