Filter out neck cracks the first time you remove! What waste. Regardless of the price, I can reuse the filter, but it snapped my neck as seen in another user's photo. When the filter media gets a little wet it also starts to break down which made the first of my two bags go bad. I never put the second one in the water, but right after the first use it collected a lot of dust (the vacuum cleaner had little dirt in this attempt to replace the parquet), we wanted to shake out the filter, but it has to be stuck in the shop vacuum cleaner stayed and it broke the neck of the filter. How cheap can you get thinning material? I go back to the original wet-dry filter, which doesn't dissolve that easily.