Pleatco | FILTER CARTRIDGE | 17 SQ FT - ALCOVE | PTL18P4-4

Pleatco changed design in 2010 - this cartridge does not have threaded bottom base - Use #4-05-0362 if require threads

OD: 4-5/8"
Length: 8"
Btm ID: 1.90" (no threads)
Top ID: posi grip handle

Replacement option:
Unicel 4CH-21
Filbur FC-0121

Limited to stock on hand