Flanders Flat Panel Air Filter - Fiberglass, MERV 4, Replacement Furnace Filter - 10 x 20 x 1

Protect your furnace and central air conditioner with the Flanders EZ Flow II 10" x 20" x 1" flat panel fiberglass air filter, trusted for over 50 years in residential and appliance applications. This disposable filter features a continuous filament spun glass filtering medium and a sturdy, one-piece chipboard frame to help prevent corner separation. Designed for effective dust and lint capture, this 10x20x1 filter is ideal for maintaining peak HVAC system performance and energy efficiency. For best results, replace your filter every 30 days during periods of high use. The MERV 4 rating ensures reliable filtration for everyday needs. Each case includes 12 filters, making it easy to stay prepared throughout the year. Compatible with most standard furnace and AC filter slots, this 10x20x1 air filter is a great choice for those seeking dependable, easy-to-install replacement furnace filters. No metal media retainers are used, and no batteries are required. Choose Flanders for consistent air quality and equipment protection.

• DIMENSIONS - Measures 10 x 20 x 1 in, designed to fit standard furnace and HVAC systems. Ideal for use as a 10x20x1 filter or ac filter 10x20x1 in residential settings.
• FILTER MATERIAL - Constructed with spun fiberglass for reliable dust and particle capture. This 10x20x1 fiberglass filter helps maintain clean airflow in your home.
• DESIGN - Flat panel construction provides consistent filtration performance. Suitable for use as a flat panel fltr 10x20x1 or filter 20x10x1 in compatible systems.
• NO METAL RETAINERS - Features a disposable design with no metal media retainers for easy installation and removal. Lightweight and safe for quick filter changes.
• EFFICIENCY RATING - Rated up to MERV 4 for basic filtration needs. Helps trap large airborne particles to support improved indoor air quality in your furnace 10x20x1.