Aprilaire 310 Furnace Filter MERV 11 Replacement Filter. Package of 2
- Genuine Aprilaire Replacement Filter Part No. 310
- For Aprilaire Air Cleaners / Air Purifier Models: 1310, 2310, 3310, 4300
- Replacement for S1-FM310
- MERV 11 Rated
- Approximate Dimensions: 20" x 20" x 4"
- Package of 2
- Pick Up in Store $115.00