Finish Thompson model M6 air operated drum pump motors are compatible with the following Finish Thompson series drum pumps: TB, PF, TT and TM. The Model M6 air motor has an output of 400 watts, 300 to 9,000 RPM, a maximum viscosity of 200 cP (series TB) 330 cP (series PF) 1500 cP (series TB and TT) and is CE certified. Model M6 air motors require 80-100 psi @ 15-32 cfm for operation.