4 inches
Cartridge, 3sqft, 1-1/16"ot, 1-1/16"ob, 2-3/4",...
Product ID: FC-3111 fc3111
Cartridge,13sqft,ht,1-1/2"MPT b,4-5/8",4-5/8"3oz
Product ID: fc-0122 fc0122
Cartridge, 12 sqft, ht, 1-7/8"ob, 4-5/8", 4-5/8" 3oz
Product ID: fc-0183 fc0183
Cartridge, 19sqft, ht, 1-1/2" mpt b , 4-5/8", 8" 3oz
Product ID: fc-0121 fc0121
Cartridge, 35sqft, 2-1/8"ot, 2-1/8"ob, 4-15/16",...
Product ID: FC-2386 fc2386