This is a replacement filter for the automatic ventilator system on the Thetford C260 and C263 cassette toilets to help remove any unpleasant smells from the waste holding tank. The filter is easily replaceable and lasts around 4 weeks dependent on the usage of the toilet. Fits Thetford Cassette Toilet Models: C263S/C263CS/C262CWE Barcode: 8710315993288 Part Number: 93025/0116
