Aprilaire® Replacement Media Filter, 11 MERV, 19.4 sq-ft Media Area, 0.07 in-WC at 600 cfm, 0.25 in-WC at 1400 cfm Initial Resistance, 600 to 1400 cfm Air Flow Capacity

• Air filters are designed by aprilaire for best efficiency and performance
• Genuine aprilaire self-seal #310 ensures the best performance
• Change aprilaire 310 air filters once a year
• Traps and permanently removes over 90% of pollen-sized particles (5 um) and over 90% of mold and spore sized particles (3 um)
• Collable/sq-inble media with self-spacing pleats installs in seconds
• Media replacement is recommended after 1 to 2 years depending on airflow
• Self-seal dramatically reduces air bypass, improving filtering performance
• Exclusive media design protects your replacement media business
• For Aprilaire® 1310, 2310 and 3310 air purifiers