Outer Diameter: 4-5/8"

Length: 19-5/8"

Top End Cap: Molded cone handle

Bottom End Cap: 1-1/2 male thread

Unicel Number: 4CH-65

OEM Number: 1561-06 or 1561-07

Pleat Count: 217

This cartridge comes in 65 square feet or 80 square feet.