This is a Tepofil PCC130 Swimming Pool Filters Compatible with Pentair CCP520 4 PACK. It is new in box. Length: 32 1/16″; Outside Diameter: 7″; Top Open: 3″; Bottom Open: 3″; Filtration Area: 130 Sq. Ft; Filter Material: Biodegradable Trilobal Filtration Fabric. PCC130 Filter compatible with PCC130-PAK4, Pentair CCP 520, Pentair 160332, 178585, R173578, Aladdin 22505, Baleen AK-30434, SD-00164, PC-1978-4.