1.Compatible with Triton II Pool and Spa Sand Filter Models Tr140, Tr50, Tr60, Tr100. 2.Compatible with Warrior, EasyClean, EasyClean Aboveground, FNS Plus, SM & SMBW 4000 Series pool and spa D. E. filters.Also compatible with clean & clear aboveground, clean & clear plus, clean & clear/predator pool and spa cartridge filters. 3.The 154714 bulkhead is made of high quality material, which allows for better service life and performance 4.Easy to install: one and done installation, threaded from the front end, commercial and industrial use.Contain:Internal Locknut; Internal Spacer; Bulkhead O-Ring; External Spacer; Bulkhead Gasket; Bulkhead 5.Please confirm whether the model is suitable before buying. 154714 Bulkhead Replacement Kit Compatible with Trition Pool and Spa Sand Filter Models Tr140, Tr50, Tr60, Tr100.