2 pack! Comes in a single box so less waste.
Aprilaire 501 air filters fit the Aprilaire model 5000 air purifier
Genuine Aprilaire product made in Wisconsin
Traps 99% of airborne pollen, mold and spore-sized particles
Replace every year

Technical Details

Product Details

Package Dimensions
Width : 6.5 inch
Height : 5.7 inch
Length : 28.7 inch

Shipping Weight: 4.3 pounds (View shipping rates and policies)

ASIN : B009CETUFG