-20°C Labtop coolers for microtubes or cryogenic vials

• Enclosed, 32 and 12-place microtube coolers
• Accomodates 0.5 and 2.0 mL microtubes or cryogenic vials
• 5152M16 maintains temperature below -15°C for two hours and 5152M18 maintains it for one hour. Blue polycarbonate lower section is filled with a non-toxic gel. Includes 16 inserts for converting 1.5 mL holes to accept 0.5 mL tubes. Overall dimensions (L x W x H, mm): 5152M16 - 243 x 157 x 146; 5152M18 - 151 x 108 x 125.