Note: Before placing an order, please make sure that your part number and size are suitable for your model. Parts may look the same, but there may be slight changes in size and shape. Please be sure to confirm in detail before buying. Supported models: suitable for 6-way 1-1/2 inch HiFlow valve, hourglass filter system, meteor filter system (used for filters manufactured after 6-2004) Supported models: hourglass top filter, multi-port/side top-mounted valve, crystal -Flo II high-speed hourglass filter, Tagelus TA 30D, TA 35D, TA 40D, TA 50D and TA 60D. Product size: 6 inches Packaging includes: fixing materials made of solid plastic, beautiful nuts and high-quality screws.