Aprilaire 310 Merv 11 clean air filter for model 1310, 2310, 3310, and 4300. Easy to install, just unpack, slide in and close door.
Replacement is suggested once a year or after one heating and one cooling season. Holding the filter up to light will show the amount of dirt. Only the intake side should be dirty, the side of the filter that the air exits from should remain dust free.
Prevents airborne particles from settling on your HVAC system, furniture and floor Removes particles from air including dust, pollen, mold spores and bacteria.


Captures | Media Filter 210 310 410 510 | Media Filter 213 313 413 513 | Media Filter 216 416 516 |
Dust | ✔ | ✔ | ✔ |
Pollen | ✔ | ✔ | ✔ |
Fungi | ✔ | ✔ | ✔ |
Mold | ✔ | ✔ | ✔ |
Pet Dander | ✔ | ✔ | ✔ |
Virus Size Particles | | ✔ | ✔ |
Bacteria | | ✔ | ✔ |
Smoke & Smog | | | ✔ |
Virus Size particles 0.3-1 Microns | N/A | 75% | 95% |
Dust 1-3 Microns | 65% | 90% | 98% |
Pollen and Mold Spores 3-10 Microns | 85% | 90% | 99% |