Compare Quick view WATERWAY PLASTICS Waterway Plastics | Medium Filter Lid and Lock-Ring Assembly - 125 & 150 sq. ft. | 550-0231 MSRP: Was: Now: $402.31 Waterway Plastics | Medium Filter Lid and Lock-Ring Assembly - 125 & 150 sq. ft. | 550-0231 (No Longer Available) Replaced by: 550-0621 Tank Lid, Waterway Pro Clean Plus 125/150 sqft
