The Vax VX40 takes the Vax Wet and Dry Vacuum Dust Bags, 5 pack (VX40B) as its dust bag; Australian sellers list it from A$2.50 each as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your vacuum cleaner
Vax VX40
Barrel vacuum
Confirmed against Vax's listConfirmed against Vax's own compatibility list
Not yours? Change
Takes the VX40B dust bag
Wet and Dry Vacuum Dust Bags, 5 pack (VX40B) · check the code on your old part before ordering.
Your vacuum cleaner
Barrel vacuum
Confirmed against Vax's listConfirmed against Vax's own compatibility list
Takes the VX40B
Dust bag · check the code on your old part.
Other Vax vacuum cleaners that take the VX40B
GenuineGenuine Vax
See seller
No genuine seller tracked yetNo genuine seller tracked yet
CompatibleCompatible option
$2.50 each
12-pack $29.99
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Vax. Compatible: another brand.Genuine is made by Vax. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $2.50 each · 12-pack $29.99
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AUD, before delivery. Each price shows when it was checked.
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How long it lasts
Replace it when the bag is full; use a paper bag for dry vacuuming only, Vax says.
After replacing: No reset.
How to change the dust bag in your Vax VX40
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Switch off and unplug, then unclip the motor head and lift it off the tank.
- 2Pull the full bag off the hose connector inside the tank.
- 3Check the dry filter is fitted on the float cage and locked with the retainer cap.
- 4Push the new bag's collar onto the hose connector on the inside of the tank, then refit the motor head.
Every number this part goes by
- Retail name:
- Vax VX40 bags
- Retail name:
- Vax wet and dry bags
- Retail name:
- VX40B
Sellers list any of these; they are the same part.
About your Vax VX40
Vax vacuum cleaner, barrel vacuum — Wet and Dry. Its dust bag is the Wet and Dry Vacuum Dust Bags, 5 pack (VX40B), part VX40B.
Where the model number is: The rating label is on the underside or the back of the main body; the old part usually has its own code printed on it.
Common questions
- Which dust bag fits the Vax VX40?
- The Vax VX40 takes the Vax Wet and Dry Vacuum Dust Bags, 5 pack (VX40B).
- Where can I buy the VX40B in Australia?
- We track 2 Australian sellers for the VX40B; the lowest listed price when we last checked was A$2.50 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the VX40B in a Vax VX40?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A full bag loses suction well before it looks full.
- Is there anything to reset afterwards?
- No reset.
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