Hayward (Power-Flo Matrix) Pool Pump, Shaft Seal & O-ring Rebuild Kit (HAY001). For QUICK, EASY and SMART pump repairs. Replacement Shaft Seal and O-Ring Rebuild Kit for the Power-Flo Matrix Pool Pump. Perfect for Quick and easy repairs to your Hayward pump Includes (4) o-rings, (1) Shaft Seal and (1) package of Lube for easy assembly and perfect sealing. Sealed in a Clear package and Ready to Ship Today!