Designed for high performance under both normal and difficult operating conditions, VariCel II filters are appropriate for general HVAC and applications operating with variable air volume, turbulent airflow, and high humidity. The combination of durable construction and high efficiency also makes VariCel II filters ideal for specialized systems, such as diffusion filters in paint booths and prefilters in cleanrooms.


  • True high-efficiency filters – only 4″ thick media pack
  • Slim line, mini-pleat design lowers operating costs
  • Engineered for a variety of applications
  • Easy disposal
  • Available with antimicrobial
  • Available in three efficiencies — MERV 14, MERV 13, and MERV 11