- DIMENTION:Length:13 5/16",outside diameter:4 15/16",top/bottom:2 1/8" open,filtration Area:25 sq.ft.Drop in Spa Filter.
- REPLACEMENT FILTER CARTRIDGE FOR POOL AND SPA CLEANING SYSTEMS:PRB25-IN,Unicel C-4326,Guardian 413-106,Filbur FC-2375,Pentair R173429,3005845,17-2327,100586,33521,25392,817-2500,SD-00196,SD-00657,303909,M-4326,8172500, PLFPRB25-IN,Darlly 42513,Baleen AK-3011.
- DURABLE POOL FILTER:The thickened advanced trilobal fabric, helps to catch more contaminants, end caps are resistant to breakage, the enhanced center core make the entire filter cartridge have a longer service life.
- TOP QUALITY:Hot tub filter cartridge has a densely trilobal structure fabric that captures more contaminants in less time and keeps your water crystal clear.
- EASY TO WASH:Cleaning pool filter is very simple,just rinse with water and clean up the excess hair and impurities.It is recommended to change the filter cartridge for every six months.