550-7500 Filter Lock Nut Assembly - 17-3/4" O.D. x 17" I.D. (Garden & Patio)

Filter lock nut with external lock tabs (model 550-7500). Engineered to exacting manufacturing standards to deliver reliable, long-lasting performance. Fits filters with a 17-3/4" outside diameter and a 17" inside diameter. Designed for Garden & Patio applications.