Filter Bags, Socks and Sleeves
How to choose the correct dust collector sock (filter bag) for your system is a large and complex equation, at Canterbury Filter Services we believe it is important to understand your process before making any recommendations on what felts to use. We will not supply fabric that is “close” to what you should be using, but what is actually required to best suit your system. So hence we have put forward a list of things we have to consider.
Understanding Your System

- Ductwork
- Fans
- Housing
- System Balance
- Preseparation
- Hopper
- Filter Bags
- Installation of Filter Bags
- Cages
- Compressed Air
- Solenoid / Diaphragm
- Condition Monitoring
- Start Up
- Troubleshooting
All the items above will determine what filter material you should be using
Our Sales and Service team can arrange to meet with your staff to ascertain the product that is best for you.
Please contact us to assist in this process.
Filter Bags
Things to consider when purchasing your filter bags.
Purpose: Separate and collect airborne particles through the formation of a primary dust layer.

Important Points:
- Fabric style or type suited to the application
- Correct bag dimensions / CPO
- Reinforcement where required
- Correct Installation
- Differential pressure i.e. constant monitoring and trending to identify when bags have reached the end of their service life.
Canterbury Filter Services has one of the largest and comprehensive felt selections available world wide, from Polyesters, Nomex, P84, and other specialty felts. Check out our specification sheet for more information.