313BOX – PLEATED FILTER (APRILAIRE REPLACEMENT, MERV 13)

The 313BOX is an aftermarket replacement for the Aprilaire 310 and 313 whole-house media filters. Same MERV 13 rating as the original — catches dust, pollen, mold spores, smoke particles, and pet dander. Saves you money compared to the genuine Aprilaire filter without sacrificing filtration. Replace once a year.

Specs: MERV 13 rating, 20″ x 20″ x 4″ nominal size, pleated media

Replaces: 310, 313, AA1342020

Fits: Aprilaire whole-house air cleaners: 1310, 2310, 3310, 4300

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 310
• 313
• AA1342020
• APRILAIRE313

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.