AAF AmerSeal Green 225RT/Blue 325RT/Gold 425RT 523-03-21E26A – 21-1/2 x 26

Product Type: Panel Filters

Series: AmerSeal Green 225RT/Blue 325RT/Gold 425RT

Frame Material: 9-Gauge Steel, Internal (Self-Sealing)

Efficiency: MERV 8

Max Operating Temperature: 175°F (79°C)

Special Size Available: Yes

Antimicrobial Available: Yes

Filter Depth: 2-, 3-, and 4-Ply

Air Filtration Certification: UL 900, ULC-S111

Nominal Size: 21-1/2 x 26

Construction: 3-ply

Description: AMERSEAL BLUE 3 PLY PANEL 21 1 2X26