20" long, 5" diameter, 2 1/8" hole at both ends. Codes: Unicel #C4975, Pleatco #PRB75, Filbur #FC2395 Fits: Emerald Cygnus, Hydro Pool, Serenity, CMP, Dakota. Availability: Usually ships the next business day. CH46$48.00 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.