P. L. Tandon & Co. Manufactures Double Walled Water Bath Rectangular. P. L. Tandon & Co. Is an ISO 9001 2000 certified co. And manufactures laboratory instruments. The Double Walled Water Bath Rectangular is manufactured from Stainless Steel. Its outer chamber is made of duly painted or powder coated S.S or Mild Steel. Top of this Double Walled Water Bath Rectangular has 75 mm holes with concentric rings. It also features temperature range up to 99 deg C, Accuracy &plsmn; 1 deg C. This thermostatically controlled Double Walled Water Bath Rectangular is provided with indicator, Neon Lamp; main switch and can be operated on 220 Volt 50 Hz. A.C.