Impellers made of stainless steel (8592H39 through H48) or glass-filled propylene (8592H36) Autoclavable 8592H36 Lower Assembly/Shaft and Impeller; shaft length x diameter: 13-1/2" x 3/8"; impeller diameter: 4". 8592H39 Lower Assembly is for use with the Nalgene 30-gallon,…