21-1/2"
Showing all 8 results
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MERV 8
21 x 21-1/2 x 5 MERV 8 American Standard BAYFTAH21M
$95.98 – subscription plans availableRead more$47.99/each (2-pack)
View CartBasicProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 8
21 x 21-1/2 x 5 MERV 8 Trane BAYFTAH21M
$95.98 – subscription plans availableRead more$47.99/each (2-pack)
View CartBasicProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 11
21 x 23-1/2 x 5 MERV 11 American Standard BAYFTAH23M
$101.98 – subscription plans availableRead more$50.99/each (2-pack)
View CartMicro AllergenProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 11
21 x 21-1/2 x 5 MERV 11 Trane BAYFTAH23M
$101.98 – subscription plans availableRead more$50.99/each (2-pack)
View CartMicro AllergenProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 8
21 x 21-1/2 x 5 Odor Control American Standard BAYFTAH21M
$105.98 – subscription plans availableRead more$52.99/each (2-pack)
View CartBasicProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 13
21 x 21-1/2 x 5 MERV 13 American Standard BAYFTAH21M
$105.98 – subscription plans availableRead more$52.99/each (2-pack)
View CartUltimate AllergenProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 8
21 x 21-1/2 x 5 Odor Control Trane BAYFTAH21M
$105.98 – subscription plans availableRead more$52.99/each (2-pack)
View CartBasicProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution -
MERV 13
21 x 21-1/2 x 5 MERV 13 Trane BAYFTAH21M
$105.98 – subscription plans availableRead more$52.99/each (2-pack)
View CartUltimate AllergenProtect EquipmentHeavy DustMold SporesAverage DustDust MitesPollenDanderFine DustAuto EmissionsSmoke ParticlesBacteriaSub-Pollen ParticlesAttached VirusesPollution
Showing all 8 results