Glasfloss Z-Line Series HWR Merv 11 Replacement Air Cleaner Filters For The Honeywell F-100 and FC40R. Made Up Of 100% Synthetic Fibers With An Expanded Metal Reinforcement That Is Laminated To The Air Exit Side Of The Media which Are Thermally Bonded. The Filter Is Manufactured In An Engineered Gradient Structure. Moisture Resistant Separators Are Used To Ensure Pleat Integrity During Operation. This Pleated Filter Is Bonded To The Peripheral Interior of The Outer Frame. A Heavy Duty Moisture Resistant Die Cut Beverage Board Is Utilized For An Encasing Frame. This Filter Achieves a Merv 11 Rating. Each Filter Is Individually Wrapped In A Plastic Sleeve To Protect It From Contamination Before Installation.

Best Used For...

• Filter Replacement For 1" Return Air Grate
• 100% Synthetic Fibers
• Heavy Duty Moisture Resistant
• Lasts 3-6 Months