13 1/4" long, 4 7/8" diameter, 2 1/8" hole on both ends. Same size as Rainbow 25 (CH52), but half the paper. Codes: Unicel=C4326, Pleatco=PRB125IN, Filbur=FC2375 Fits: Great Lakes (GPM), Nordic, Leisure Bay, QCA, Safari, Rubadubtub, Signature, CMP. Availability: Usually ships the next business day. CH29$25.00 CNY Hot Tubs - 2037 St. Rte. 34, Lansing, NY 14882 Phone: 607-533-9411 - Email: info@cnytubs.com - Web: www.cnytubs.com CNY Hot Tubs acknowledges all trademarks. Copyright ©2001-2008 CNY Tubs All Rights Reserved.