DUST SOCK, 5' x 20', (FITS UP TO 24" FAN) APPROX. 350 SQ. FT. FILTER AREA
WARNING - DO NOT USE WITH 24" ELECTRIC DRIVE FANS DUE TO POSSIBLE THERMAL OVERLOAD
IMPROVED FEATURES INCLUDE:
1. AN OFFSET INLET SO THE SOCK SITS PROPERLY ON THE FLOOR
2. A ZIPPERED CLEAN OUT PORT
3. MADE WITH FIRE RETARDANT MATERIAL