Saratoga Spa Pre-Filter #8 in photo above. (plastic screened) For Adelphi, Windsor, Excelsior, Clarendon, Geyser, and International Standard spas. also called 'whisper clean' pre-filter. 4 3/4" X 8 1/4". Availability: Usually ships the next business day. S121853$28.00 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.