Airframe & Powerplant B737 BACKFLUSH EQUIPMENT – AIR CONDITIONING P Used to backflush and clean the heat exchangers of the air conditioning packs. TAGS: 21 OEM PN:: C21003-155 TOMX PN:: N/A TOOL TAG: SPL-1607 Related posts Fuel tank access tableTERMOHIGROMETER LOGGERCF34-10E ENGINE STAND ADAPTER KITPISTOLA DE CALOR BOSCHInterior Panel GageLock Aleron Actuator B757Vapor Barrier Caps and Plugs…SLIDE SAFETY SIGNOVERSPILL COLLECTION KITWeighing Scale – 100KG