Hayward ECX176865 5/16-Inch - 18 Retainer Nut Replacement for Select Hayward D.E. Filter Anchor Socket
This retainer nut is designed to use with Hayward Pro-Grid vertical D.E. filter and Micro-Clear, Pro-Grid vertical grid D.E. filter and also compatible with Hayward Perflex extended-cycle D.E. filter and Anchor socket models I_PFPPTS, SP1392. Size 5/16-Inch-18. Weight 5.2-pound.