P. L. Tandon & Co. Manufactures Automatic Wall Type Water Still. P. L. Tandon & Co. Is an ISO 9001 2000 certified company. The Automatic Wall Type Water Still is made using heavy gauge stainless steel inside and S. Steel polished outside having ISI Marked immersion heater. The still offers uninterrupted supply of pyrogene free distilled water. This Automatic Wall Type Water Still is provided with cord, connector and brackets for wall mounting plug for condenser opening.