Unfortunately, the Holmes HAPF30 has been discontinued and is no longer available. For a suitable replacement try the Holmes HAPF30D Replacement HEPA Filter (2 Pack).
The Holmes HAPF30 is designed for use in the following air purifier models:
The Holmes HAPF30 removes allergens from the air and reduces unwanted smell and odor by capturing fine particulates that float in the air. Filter size is 10 inches x 4.5 inches x 1.5 inches. The HAPF30 is a HEPA type air filter that should be changed at least once per year for optimum performance. Also known as HAPF30CS.
Those allergic to baking soda should know that the HAPF30D and HAPF30 air filters use Arm & Hammer baking soda.
For a more economical alternative for this Holmes HAPF30 Replacement HEPA Filter try the Holmes HAPF30.