Item Detail Table of Content R-Series Reciprocating Compressor Model HR20-12 20HP 120 Gal. Horizontal Tank 230V/3 Ph Item Number: CHAR230AS188 Supplied by INDUSTRIAL TECHNOLOGIES AND SERVICE (see all) Price: $13,647.70* * log in for dealer pricing. Direct from 3rd Party Supplier Add To Cart Description R-Series Reciprocating Compressor Model HR20-12 20HP 120 Gal. Horizontal Tank 230V/3 Ph. For more information, please see "R-Series" product page.