Hayward Perflex Tube Sheet Washer Standard #10 Flat 18/8, ECX1641125
No. 10A Image ECX1641125 Hayward No. 10 Flat Washer (1989 and Prior) Used on Hayward Perflex D.E. Filter Parts EC65 and EC75. Used as the Tube Sheet Washer, mating with Tube Sheet Screw, pn SPX1500N1, sold separately. See More Hayward Perflex Pool Filter parts in our Filter Parts Department.