Suggested Retail: $62. johntruck - Filter Lock Nut Assembly Compatible with Clearwater II Cartridge and D.E. Filter This filter lock nut is designed for use with ClearWater II Cartridge and D.E. Filter. It replaces part number 550-7500 and meets or exceeds OEM specifications. Made of premium plastic, it features high hardness, wear resistance, and can handle various outdoor weather conditions. The assembly includes external locking tabs for secure fitting and proper sealing to restore normal filter operation. Brand: johntruck. [Reference: 6pvboJOKvFUGnP7l7wemT5]. LOT STICKER: OH001-00000623-02. 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.