This kit services 10" XL CCE AirSeps with 4" round first stage filters.
Each kit contains two (2) internal coalescing filter sets with 4" first stage filters, and two (2) replacement O-ring sets.
Note — These kits do not contain Air Filter Service Kits.
You can refer to the document "AirSep's CCE Service Procedure for instructions" linked under Manufacturer's Resources on this page