ALUMINUM ALLOY MATERIAL：Shell is made of casting aluminum alloy, with plastic powder coating surface, resistant to corrosion NO NOISE：Automatic drainer is extremely reliable in operation, no electricity needed, no noise, no loss of compressed air PRACTICAL TOOL:Drainer has big drainage outlet that is not easily blocked; it is a new generation and great choice of compressed air equipment drainer GREAT PERFORMANCE:This is a quite stable drainer which has great performance and low failure rate STRUCTURE:This compressed air condensate automatic drainer is significantly different from traditional mechanical automatic drainer, which is belong to continuous drops drain, Manufacturer: DMETE