Paddlewheel Repair Kit, For Use With Grainger Item Number 5MXP5, 5MXP6, 5MXP7, 5MXP8, Includes (2) FPM O-Rings, Paddlewheel Rotor, Pin, Red Cap, Material of Construction FPM, Polypropylene, Titanium, For Use With Mfr. No. P51530