LW Scientific Hollow 500 Ball Bath Blanket 20mm. Blankets can be used alone or in conjunction with our Flat Top trays as a lid for your water bath. Blankets ensure water doesn't splash inside the jar and are cost effective as there is no need for excessive watering. Most importantly they prolong the life of your bath. Blankets can be placed over boiling water or used to insulate water baths immersing tubes or other flasks. Excellent for tissue culture and many other applications that benefit from controlled water bath conditions. Specifications for LW Scientific Hollow 500 Ball Bath Blanket/20mm: Manufacturer: LW Scientific Volume: 20 ml Package Contents: LW Scientific Hollow 500 Ball Bath Blanket/20mm LW Scientific TBL-PP20-0500: Hollow 500 Ball Bath Blanket 20mm