Big PP filter cartridge :
Core diameter : 28 mm , 30 mm
Outside diameter : 110 mm
Length : 250 mm , 254 mm , 500 mm , 508 mm

Big Activated carbon filter cartridge :
Core diameter : 28 mm , 30 mm
Outside diameter : 110 mm
Length : 250 mm , 254 mm , 500 mm , 508 mm

Big String wound filter cartridge :
Core diameter : 28 mm , 30 mm
Outside diameter : 110 mm
Length : 250 mm , 254 mm , 500 mm , 508 mm

Big pleated filter cartridge :
Core diameter : 28 mm , 30 mm
Outside diameter : 115 mm
Length : 250 mm , 254 mm , 500 mm , 508 mm