20x20x4 AIRx DUST White-Rodgers FR1600M-108 Replacement Air Filter - MERV 8

Replacement for White Rodgers FR1600M-108- Rated MERV 8. 

20x20x4 (actual size 19-1/2" X 19-1/2" X 3-3/4")

Aftermarket replacement for 4" premium whole house air cleaners from White-Rodgers. 

FEATURES:

• Same size as filter part # FR1600M-108
• Fits in Air Cleaner Model ACM1600M
• MERV 8 Rating
• Attracts common large household allergens like dust, pollen, and mold spores
• Save money by purchasing a "generic" aftermarket product.  Not manufactured by White-Rodgers 
• Durable construction for easy, slide-in replacement
• Disposable for convenience
• Replace approximately every 6 months - depending on fan hours and environmental conditions