Graco 243104 Pump Armor, part number 243104, supplied in a 1 qt container. Pump Armor is a pump storage and flush fluid: it is pumped through the fluid section before storage to displace water, protect against freezing and guard the pump against corrosion between uses. Type: Storage Fluid. For use with Project Painter Plus, X5, X7, ProX17 Stand, ProX17 Cart, ProX19 Stand, ProX19 Cart, ProX21 Stand, ProX21 Cart, TrueCoat 360, TrueCoat 360 DS, TrueCoat 360 DSP, TC Pro Corded, TC Pro Cordless, TC Pro PLUS Cordless, TrueCoat 360 VSP.