Custom Filters

With more than 40 plus years of filtration experience, Custom Filter is known as a leading manufacturing of specialist filter for a wide variety of custom applications, ranging for MERV 4 to 13 in pleated & cardboard throwaway filters.


Eco-friendly is earth-friendly or not harmful to the environment. Eco-friendly products also prevent contributions to air, water and land pollution. (HVAC Air Filters) You can engage in eco-friendly habits or practices by being more conscious of how you use resources.


Being a manufacturer gives us the capability to produce products faster with a lead time of (3 to 5 days) or same day/next day for standard size filters. We specialize in Air Monitoring, Coil Cleaning, Duct Cleaning, Filter Changes, Indoor Air Quality and etc.


Wondering how Cosmos Air Purification can help? It's Simple! Filternomnics; our own unique program created by Cosmos Air with our customer in mind, to better serve in a way that will help promote their GREEN building initiative and the overall maintenance cost.

Proud Members Of

Ashrae US Green Building Council NAFA
PMA Made in the USA

PGCOC 2010 Entrepreneur of the Year

Contact Info

Cosmos Air Purification & Environmental Systems, Inc

3611 Pennsy Drive Landover, MD 20785

Phone: 301-925-1604

Fax: 301-925-1607