Our high-capacity foam filters dust, allergens and other debris from central heating and air conditioning systems while maintaining airflow around the captured particles. It is also used as speaker foam due to the high air-flow its structure allows. This foam is dark charcoal in color.
30 PPI (Pores Per Inch)
NOTE: Not tested for use in aquariums.
Custom Cutting is Available!
We can cut custom sizes of speaker/filter foam for any project you may have! Please Contact Us for details.