grefilt 4-pack ccp520 pool filter cartridges, 520 sq.ft | replaces pentair clean & clear plus 520, pentair r173578, pleatco pcc130, 32 1/6" x 7" is up for auction in Patio, Lawn & Garden. The current bid is $1.00, 99% below the $70.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.