The Airguard XTREME+PLUS® High-Capacity (XPH) filter is a MERV 8 self-supported pleated air filter engineered for superior durability and extended service life. Built with moisture-resistant synthetic media and a heavy-duty beverage board frame, it delivers high dust holding capacity, consistent pleat spacing, and reduced pressure drop. Total Filtration Services (TFS) supplies XTREME+PLUS® filters in multiple sizes, providing reliable, long-lasting HVAC filtration solutions for commercial and industrial applications.