LW Scientific Hollow 500 Ball Bath Blanket 38mm. An ultrastable constant temperature device the LW Scientific Hollow 500mm Bath Blanket - 38mm is easy to install inside a water bath and immerses your tubes without splashing or leaking. Ideal for most lab water baths the LW Scientific Hollow 500 38mm Blanket will lower the work load on your water bath's heaters and motors making them last longer and use less energy. The thermal ball layer of the LW Scientific Hollow 500 mm Blanket retains water vapor and the heat Specifications for LW Scientific Hollow 500 Ball Bath Blanket/38mm: Manufacturer: LW Scientific Volume: 38 ml Package Contents: LW Scientific Hollow 500 Ball Bath Blanket/38mm LW Scientific TBL-PP38-0500: Hollow 500 Ball Bath Blanket 38mm