1、Applicable Model: RV toilet seal and flange kit is replacement for Dometic 300/310/320 RV toilets, perfect match to easily solve toilet seal problems. 2、Kit OE Number: The kit includes 1 RV toilet flange (385345892), 1 RV toilet seal (385311652), 1 toilet flush seal (385311658) and a set of bolts and parts. 3、Wear Resistant Materials: RV toilet flanges are made of ABS, Rv toilet seals are made of premium composite materials, they are wear and corrosion resistant. 4、Good Sealing: With superior sealing and long life, to meet all your needs for toilet seals, say goodbye to the difficulty of selection and collocation. 5、Installation Steps: First, turn off the water source and remove the old kit. Clean the location of all components and then install the new kit. Last check for leaks.