Suggested Retail: $62. Johntruck - Filter Lock Nut Assembly with Ext Lock Tabs Compatible with Clearwater II Cartridge Filter and D.E. Filter This filter lock nut is designed to be compatible with Clearwater II Cartridge and D.E. Filter, specifically replacing part number 550-7500. Made from premium plastic, it ensures durability and a long lifespan. Installation is easy and requires no additional tools. With high corrosion resistance and the ability to withstand various weather conditions, it effectively secures the filter lid assembly and restores normal performance. Brand: johntruck. [Reference: ZKnilhAOhgdQynLqnTKfTW]. LOT STICKER: OH001-00000620-10. Type: Regular. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.