... symbol and warning message 7-10 gal, 24'' x 24'' 11 microns thick / 250 per pack12-16 gal. Capacity, 11 microns thick, 24 ... " x 33" / 250 per pack 33 gal. Capacity, 14 microns thick ... " x 40" / 125 per pack44 gal. Capacity, 16 microns thick, 38" x 46" / 125 per pack33 gal Capacity; 14 microns thick; 30.5 ...