Aprilaire 313 Clean Air Filter, MERV 13, 20″ x 20″ (2-Pack)

• Manufacturer: Research Products Corp.
• Brand Name:   Aprilaire
• Description:   Aprilaire Replacement Filter Media # 313  (2-Pack)
• Part Number: 313
• Compatibility: Aprilaire 1310, 2310, 3310, 4300
• Nominal Size:  20″ x 20″
• MERV Rating: MERV 13

Aprilaire 313 Air Filters are the heart of your air purifier. Be sure to use the model specified for maximum performance.

• Aprilaire 313 Air Filters have a high-efficiency MERV 13 rating
• Genuine Aprilaire Self-Seal™ #313 ensures the best performance
• Change Aprilaire 313 Air Filters once a year