【Perfect Fit】 Seal Kit for Cat Pump is compatible with Cat Pump 30, 31, 34, 35, 310, 310S, 310B, 310W, 340, 340S, 340W, 350, 350S, 350B, 350W models. Compatible with Cat Pump 30, 31, 34, 35, 310, 310S, 310B, 310W, 340, 340S, 340W, 350, 350S, 350B, 350W models.