For a LIMITED TIME only, order any Dry Only or Wet & Dry Big Brute via the website and pick up a FREE EXTRA V39 Filter.

What’s The V39 Filter For?

Your Big Brute already comes with a V39 Filter, which needs cleaning regularly.

Having a spare filter to swap in while cleaning helps you minimise downtime.

Now, get an EXTRA V39 Filter (worth over £100) COMPLETELY FREE with any Dry Only or Wet & Dry Big Brute purchased on our website.

How to get your FREE EXTRA V39 FILTER

Once you’ve selected your desired Big Brute, simply add your spare V39 Filter as an optional extra to your basket AT NO EXTRA COST!

Big Brute Free V39 Filter Offer

Terms & Conditions


  1. The promoter of this offer is Michael Williams Engineering Ltd, Queen’s Business Park, Wilbraham Rd, Fulbourn, Cambridge CB21 5ET.
  2. The promotion offer of a free extra V39 Primary Filter is only valid with a purchase of a Big Brute from the Dry Only or Wet & Dry range via the website.
  3. Promotion is non-transferable and may not be sold, bartered, auctioned, traded or exchanged.
  4. Promotional offer can only be used on a single purchase.
  5. Offer may be revoked at any time without notice.
  6. Offer is void where prohibited by law.
  7. Promotional Credits will be applied on the value of goods / services sold by Michael Williams Engineering (inclusive of all applicable taxes).
  8. Promotional offer applies to orders made through Michael Williams website only, and not to any order made by other means (for example, promotional credits do not apply to orders made by phone directly with Michael Williams Engineering).
  9. Michael Williams Engineering Ltd reserves the right to deny honouring an offer on the grounds of suspicion or abuse of offers without providing any explanation thereof.
  10. Michael Williams Engineering Ltd, reserves the right to change or modify these Terms at any time and in our sole discretion.