Henry Reusable Dust Bag for 305mm Machine 604133 - NumaticHenry Reusable Dust Bag If you want a bag that you never have to throw away then the 604133 will be what you need, it uses a zipped fleece bag to catch dust and protect your secondary filters. Once your vacuum cleaner is full you can tip the contents straight into the bin, zip the bag back up and go right back to vacuuming. How do I know if the reusable bags will fit my machine? Next Day Delivery Available