514 Bionaire Foam Pre-Filter

514 Bionaire Foam Pre-Filter Review

514 Bionaire Foam Pre-Filter Feature

• Fits Bionaire models BT400, BT500, BT500s, and BT501.
• Bionaire foam pre-filter.
• Extends the life of HEPA and carbon filters.
• Pre-filter removes large particulates from the air.
• For optimum performance, replace filter every 3 to 6 months.

Bionaire foam pre-filter, fits Bionaire models BT400, BT500, BT500s, and BT501. This also extends the life of HEPA and carbon filters because the pre-filter removes large particulates from the air. For optimum performance, replace filter every 3 to 6 months.