Model: Honeywell 50250-S

Documentation: PDF of Manual

Maintenance: 

• Every month check the prefilter and filter. Clean the pre-filter if needed. If clogged or very dirty replace.
• In laser, the prefilter should get replaced 2-4 times a year and the filter 2 times a year.
• Extra filters and prefilters are stored in labeled boxes on shelves in the co-working room. If there are none make a purchase request.

Amazon replacement filter/prefilter kit link.