The Parker LoadTECH® 4″ MERV 11 Extended Rigid Cell Filter provides 12″ filter performance in a compact 4″ design, simplifying handling, reducing storage needs, and lowering shipping costs. Engineered with Parker’s E-Pleat® media technology, LoadTECH® filters hold twice the dust of conventional rigid filters while maintaining low resistance for reduced energy use. Constructed with a rugged high-impact polystyrene (HIPS) frame, the LoadTECH® 4″ MERV 11 is a durable, cost-effective solution for commercial HVAC systems across schools, offices, healthcare, and manufacturing. Total Filtration Services (TFS) supplies LoadTECH® filters in both box and single-header configurations to fit diverse system requirements.

• High dust holding capacity with proprietary E-Pleat® media
• Rated MERV 11 efficiency
• Compact 4-inch depth with performance of a 12-inch filter
• Low pressure drop for energy savings
• Available in Box and Single Header styles
• Continuous operating temperature up to 170°F (77°C)
• Rated face velocity: 500 FPM
• Recommended final resistance: 1.50 in. W.G.
• CFM capacity range: 1000–2000