All standard size units are interchangeable with all standard size filters. So, if you purchased a standard size HealthMate® and would like to upgrade to a Pet Machine®, simply purchase a replacement Pet Machine® filter.
- STAGE 1 – Large Particle Pre-filter. Removes particles easily seen by the naked eye (e.g. dust, hair and pet dander)
- STAGE 2 – Medium Particle Pre-filter. Removes small to medium size particles (e.g. molds, spores and pollen)
- STAGE 3 – Over 780 cubic inches of Activated Carbon, Specially Impregnated Carbon and Zeolite. Removes ammonias, pet odors and dander, chemicals, and gases
- STAGE 4 – 60 sq. ft. of True Medical Grade HEPA. Removes 99.97% of all particles larger than 0.3 microns and 95% of all particles larger than 0.1 microns.
You can check the size of your existing filter by looking for a label on the underside. Model HM400 indicates standard size filter.