Compatibility Fits Apollo Spas, Aqua Tech Spas, Beachcomber, Canadian Spa Co., Canspa Manufacturing, CANADIAN SPA COMPANY (MODELS: Swift Current, Rio Grande, Grand Rapids, Muskoka, Prompt), Catalina Spas, Clearwater Spas, Diamond Back Spas, Discovery Spas, Dynasty Spas, Esther Williams Pools, Freedom Spas, Hydro Spa, Legend Spas, Lifestyle Spas, PDC Spas, Pentair Pool Products -Rainbow Plastics, Royal Spas, Sundance Spas, Sunrise Spas, Thermo Spas of Connecticut, Viking Spas, Waterway Plastics and more. 9.25 inches long by 4.75 inches wide by 2 inch hole Also known as PRB17, PRB17.5SF-JH-PAIR, 615030014 Can be used in place of C-4313 and PBW4PAIR Features Made in the USA Set of 2 35 Square feet Clearly the best. Made with REEMAY filtration fabric. Premium trilobal filtration fabric delivers 45 percent more surface area over round fiber competitors. Clearer water. Longer life. Guaranteed.
