You're buying TEN(10) New GKI GF61PL(plastic) 5/16" gas filters that may fit MANY automotive/industrial applications. AC-DELCO GF61. MIGHTY GF61. G K INDUSTRIES GF61. are Hgt-3.95"(tube to tube), 2.05"(filter body), OD-1.95", ID-5/16" tube connectors.