385311658 RV Toilets Flush Ball Seal Kit Black Replacement 2pcs for 300, 310 and 320 Series Motorhome Camper and Trailer Pedal Flush Toilets

["Part Number: 385311658 Compatible With Dometic Sealand Toilet Model 300 310 320","Good sealing: Made of high-quality rubber, designed to fit tightly on the water outlet pipe and maintain a seal, ensuring that the water in the water tank will not leak when not flushed, effectively solving the leakage problem to prevent leakage in the water tank The water escapes on its own","Function: It can effectively remove the unpleasant smell in the RV toilet and keep the air in the RV toilet clean","Easy to Install and Replace Your Leaking Flush Gasket Seal, Dimensions: 4 Inch Outer Diameter. 2.67 Inch Inner Diameter. 0.236 Inch Thickness/Height","Maintenance and replacement: The flushing ball may age, wear or lose elasticity over time, resulting in loose sealing, resulting in water leakage or reduced flushing efficiency. It is recommended to check the condition of the flush ball regularly and replace it if wear or damage is found"]