Products & Sizes

Wool grease filters and stainless-steel baffle frames for commercial canopies

We supply wool grease filters alongside stainless steel baffle frames manufactured in the UK. Both are available in a wide range of standard sizes, with custom options for non-standard canopies.

Our baffle frames are tested and certified to:

  • European standard DIN 18869-5
  • American standard UL1046
  • ASTM2519

Not sure which size you need? Contact our team for help choosing the right fit for your canopy.

Standard Guardian Filters frame sizes

All standard filters are 50mm deep. Contact us for custom sizes.

HeightWidthDepth
245mm495mm50mm
254mm495mm50mm
330mm495mm50mm
395mm395mm50mm
395mm495mm50mm
495mm495mm50mm
595mm595mm50mm
CustomCustomCustom

Standard Guardian Filters wool media sizes

HeightWidth
450mm450mm
450mm550mm
550mm550mm
650mm650mm
CustomCustom

Natural wool medium

Wool provides effective grease capture and performs well in commercial kitchen conditions.

Standard and custom sizes

We stock a range of standard sizes and can supply custom dimensions for non-standard canopies.

Easy to fit and replace

Guardian Filters are designed for straightforward installation and quick, easy replacement, helping your team keep filter changes part of their regular kitchen routine.

Suitable for most canopy types

Our filters are compatible with a wide range of commercial extraction canopies. Send us your canopy details and we’ll help confirm suitable filter sizes for your system.

Not sure which size you need?

Contact our team for advice.

Guardian Filters

Specialists in commercial kitchen grease filtration. Helping you keep your kitchen cleaner, support compliance and maintain smooth operations across the UK and Europe.

Registered company: Guardian Filters Limited
Registered office: Unit 2a Hall Farm, Little Walden, Saffron Walden, Essex, England, CB10 1XA
Company number: 17460420

© 2026 Guardian Filters. All rights reserved.

Commercial Kitchen Grease Filtration Specialists