The Glasfloss ZL Series MERV 10 21-1/2 x 23-5/16 x 1 pleated air filters are designed to out perform other filters.In conjunction with the heavy-duty beverage board frame, these filters offer an expanded metal backing to support the synthetic pleated filter media for optimum performance in the most challenging applications. Glasfloss MERV 10 air filters provide enhanced filtration over MERV 8 air filters with no additional pressure drop. This means these filters can capture more pollen, dust and other pollutants than a MERV 8 filter without your system having to work harder to move the air through the filter.As with any 1” air filter, these filters should be changed every 30-90 days. MERV 10 with No Increased Resistance Over MERV 8. Instant Upgrade From MERV 7/MERV 8 Pleated Filters Great For Allergy Sufferers to Reduce Pollen, Dust and Many Other Air Bourne Contaminants. Expanded Metal Backing on Synthetic Media with Heavy-Duty Frame Resists Microbial Growth & Moisture. Exact Size - 21-1/2 x 23-5/16 x 7/8 (21.5” x 23.3125” x .875”), Nominal Size: 21-1/2 x 23-5/16 x 1 Fits listed models of Carrier, Bryant & Payne Air Handlers (AHU, Indoor Units) See Description Below The synthetic filter media will not support microbial growth and the heavy-duty beverage board frame will resist absorbing moisture, making these filter an excellent choice for for your Carrier, Bryant or Payne air handler listed below. Fit these models and others: FV4ANF006, FK4DNB006, FC4DNB060, FC4CNB054, FH4CNB004, FX4DNB049, PF4MNA061, FXM4X6000A, FSU4P4800A, FB4ANF070, FX4CNF060, FE5ANB004, FC4CNB070, FV4CNB006, FX4DNB061, PF4MNB049, FSM4X6000A, FSM2X6000A, FCM4X6000A, FC4BNF054, FX4CNB060, FE4ANB006, FY4ANB060, FX4DNF049, FX4BNF060, PF4MNB061, FSU4X6000A, FSU2X6000A, FVM4X6000, FC4BNF070, FC4DNF060, FB4BNB070, FA4CNB060, FX4DNF061, PF4MNA060, FXM4X4800A, FSM4P4800A, FEM2X6000A
