GENERAL PURPOSE FILTER (FILTER ELEMENT ONLY), 16" x 16", FOR NOVAIR F1000 SERIES NEGATIVE AIR MACHINES F4045 NOVATEK™
GENERAL PURPOSE FILTER (FILTER ELEMENT ONLY), 24" x 24", FOR NOVAIR F2000 SERIES NEGATIVE AIR MACHINES F4005 NOVATEK™
GENERAL PURPOSE FILTER FRAME (FRAME ONLY), 16" x 16", FOR NOVAIR F1000 SERIES NEGATIVE AIR MACHINES F4043 NOVATEK™
