Frequently asked questions

Your questions answered

Common questions about wool grease filters, sizing, ordering, and kitchen extraction maintenance.

About the filters

Sizing and compatibility

Ordering and delivery

Maintenance and compliance

Still have questions?

Our team is happy to help. Get in touch and we'll do our best to answer your query.

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