Compatibility: 385345892 socket floor flange, 385311652 rv toilet seal and 385311658 flush ball seal are designed for repairing 300, 310 and 320 series rv toilets. Easily solve the sealing problem of RV toilets Easy Installation: Make sure the water source is turned off, remove the old RV toilet flange and RV toilet seal, clean up the location of the parts, and then install and secure the new RV toilet flange seal kit, it is recommended to use a sealant to help with the installation. Once installation is complete, simply check for leaks High Quality RV Toilet Flange: Our RV toilet flange is made of high quality ABS plastic, and the RV toilet seal is made of high quality composite material, both of them are wear and corrosion resistant, perfect for RV 300 310 320 toilet seal RV Toilet Seal Kit: The kit includes 1 RV toilet floor flange, 1 RV toilet seal (385311652), 1 toilet flush seal (385311658) and a set of bolts and parts. It can fulfill all your needs for RV toilet seals, say goodbye to the difficulty of choosing and matching Quality Service:The RV Toilet Seal Kit provides an effective solution to RV toilet sealing issues. If you are dissatisfied with the kit or encounter any problems, please don't hesitate to contact us. Your satisfaction is our priority.