HEPA, ULPA and FFU guide
Explore filter types, face sizes, airflow and the information used in selection.
Open the guide ↗READING EDITION
From the 360S learning libraryTHINK ABOUT THE NEXT SERVICE
EDITION 06 / 12 · Review FFU service access
Read the HEPA, ULPA and FFU guide with servicing in mind. Gather the manufacturer’s instructions and identify the access questions that need a project-specific answer.
Read the featured guide See the reading plan ↓One guide. One useful question. A reason to return.

Each edition brings a different review task to the existing guide library. Save its link to return to the same plan. Manufacturer placements follow their current campaign dates and the selected topic.












MAKE IT USEFUL
Explore a reference, choose a tool and keep the useful links within reach.
Explore filter types, face sizes, airflow and the information used in selection.
Open the guide ↗Browse the maintenance library and select a relevant reference. Use the actual manufacturer instructions for equipment-specific work.
Open maintenance guidance ↗Sign in to My Workspace to save supported guide and tool links and revisit your reference shelf.
Open My Workspace ↗YOUR READING CHECKLIST
What would the maintenance team need to know before planning service access?
Keep one useful outcome.
Keep service instructions and unresolved access questions with the equipment record.
KEEP EXPLORING
Revisit the classification reference alongside your filter-selection reading.
Open this reference ↗PRODUCTS & PEOPLE
If access equipment is being considered, ask the responsible team and supplier to confirm suitability for the planned task and site conditions.
Browse suppliers ↗COME BACK WITH YOUR NEXT QUESTION
The featured topic changes on 16 Nov 2026. Twelve reading editions rotate each Monday in Malaysia time, using existing 360S guides. The sequence repeats after 12 weeks.
Bookmark this week’s page ↗Learning references and preliminary planning tools. Follow the project requirements and the source guidance when applying what you read.