The BOLO GRN portable PERC (perchloroethylene) leak detector is a microprocessor controlled, battery operated, feature-rich test instrument that quickly zeros in on the precise point where expensive dry cleaning solvents may be escaping. With its unique folding sensor wand and highly sensitive solid-state sensor, the BOLO GRN is the ideal test instrument for monitoring solvent systems, and fully complies with EPA guidelines for portable PERC leak detection instruments. One year warranty, repair or replace if product is defective.