Spa Filter (PRB50-IN-M)

Overall Diameter: 5""
Inner Diameter: 2 1/8""
Length: 13 5/16""

Notes: Dynamic Series IV - DFM, DFML, Series II & III RTL/RCF-50, Series I RDC-50, RDC-50S, Waterway, Custom Molded Products, (Antimicrobial)
Top is 2 1/8""
Bottom is 2 1/8""

Equivalent to:
Filbur: FC-2390M
Pleatco: PRB50-IN-M
Unicel: C-4950
Manufacturer Part Number: 03FIL1600, 17-2380, RTL-5