Best Match
4.8
Verified Fit
Dimensions
20x20x4 in
MERV rating
13
Lifespan
3–12 months
Compatibility
100%
About this filter
Aprilaire 313 for square 20x20 cabinets. MERV 13 in Aprilaire's smallest media-filter form factor.
Features
- MERV 13
- Aprilaire OEM
Replaces
Aprilaire 1310Aprilaire 2310Aprilaire 3310