AAF Flanders 20 In. W X 20 In. H X 4 In. D Synthetic 8 MERV Pleated Air Filter

The Flanders 80055.042020 Pre-Pleat 40 Air Filter is a 20x20x4-inch pleated furnace filter designed to maintain indoor air quality by capturing dust, pollen, pet dander, mold spores, bacteria, and virus carriers. With a MERV 8 efficiency rating, this filter provides solid protection against common household allergens and microscopic contaminants while maintaining low initial air resistance for energy-efficient operation.

This pre-pleated filter fits standard HVAC systems and furnace housings that accept 20x20x4 panels. The fully synthetic media offers high dust-holding capacity and easy disposal when replacement is needed. Diagonal grid supports reinforce the frame structure for maximum strength under normal operating conditions.

Features and Benefits

• Pre-pleated design: Slides easily into most standard HVAC and furnace systems without modification.
• MERV 8 efficiency: Captures pollen, dust, pet dander, mold spores, and microscopic particles for cleaner indoor air.
• 90-day service life: Extended filter life rated for 90 days of operation before replacement.
• Low pressure drop: Designed for minimal initial air resistance, supporting energy-efficient furnace operation.
• Reinforced frame: Diagonal grid supports provide maximum structural strength.
• Synthetic media: Fully synthetic construction ensures consistent performance and simplified disposal.

Specifications

• Brand: Flanders
• Model: 80055.042020
• Dimensions: 20 inches L x 20 inches W x 4 inches H
• MERV Rating: 8
• Service Life: 90 days
• Frame Material: Cardboard
• Media: Fully synthetic
• Backing: Expanded metal with diagonal grid supports
• Quantity: One filter