filter for C260 Thetford electric ventilator , note the C250 has a cassette but this will not fit so check model. £10 inc postage IMG_20210205_131520.jpg 187.8 KB · Views: 487 IMG_20210205_131604.jpg 174.3 KB · Views: 14 IMG_20210205_131621.jpg 189.4 KB · Views: 14