HEPA Air Direct

HEPAairdirect.com is closed for business.

As of September 01, 2024, HEPA Air Direct is closed for business.

We thank you for over a decade of business!

HEPA Filter Manufacturing & Design

From concept to design, from prototype through production, Sidco Filter Company offers high-quality and innovative solutions for your HEPA air filters, HEPA filter manufacturing, and HEPA contract pleating needs.

Replacement HEPA, ULPA, & ASHRAE Filters

Our HEPA, ULPA, and ASHRAE replacement filters are equivalent in fit and function to the OEM parts they cross reference. Shop hundreds of HEPA replacement filters here.

photo of 3 HEPA panel filters and one cylindrical HEPA filter with molded end seals for industrial HEPA filtration

HEPA, ULPA, & ASHRAE Filter Manufacturing

We can reverse engineer, prototype, and design your HEPA, ULPA, and ASHRAE filters for air-cleaning markets and critical filter applications.
photo of custom oval shaped HEPA filters

Custom HEPA, ULPA,& ASHRAE Filters

Custom HEPA, ULPA, and ASHRAE filters are designed and manufactured to fit your critical industrial air cleaning applications.