Fluval Intake Strainer with Checkball for Fluval 104, 105, 106, 204, 205, 206, 304, 404 External Filters Dog shampoo formulated with natural ingredients Fits Fluval 104, 105, 106, 204, 205, 206, 304, 404 external filter models A200, A205, A210, A215, A201, A206, A202, A207 Includes check ball Comes in polybag Measures 1-inch length by 3-2/7-inch width by 6-inch height