The disclosure relates to a laundry treatment machine and a filter arrangement for therefor, comprising a filter receptacle, a filter, a flap that can pivot about a pivot axis, and a blocking device having a blocking part that is preloaded by means of a spring. The filter is configured to be transferred back and forth between a receiving position and an extraction position, the flap configured to be transferred back and forth along an actuation path between a closed position and an open position. A blocking part is configured to be transferred back and forth between a blocking position which prevents the flap from being transferred to the closed position, and a release position which enables the flap to be transferred to the closed position. The blocking part can be a slide movably mounted in a slide guide which runs transversely to the actuation path of the flap.