This Cylinder replaces Graco®* 243176. Fits pumps 390, FinishPro 390/395, Ultra 395/495/595, Ultra Max II 490/495/595, Ultra Max 695, ST PRO, STX, 295ST, GMAX 3400, LL 3400. Please refer to your manual for specifics. *Graco is a trademark of Graco Inc. which does not sponsor, authorize or endorse ProSource or its products.