Labconco Fast Freeze 7540800 Borosilicate Glass Wide Mouth Flat Bottom Complete Flask, 600ml Capacity

Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are available separately as replacement components. Adapters are available in borosilicate glass or stainless steel. Fast-Freeze Flasks and Adapters are compatible with any brand freeze dryer that has 1/2" or 3/4" diameter valve ports.