Check the listing for details. Dust Cap for Celestron C14, or any Celestron 14" connects on telescope like cap. Condition: New. Listed at 35.99 USD. Very big cap! Over 15 inches1outer diameter. Celestron c14, Dust Cap, Now upgraded and thicker mask to have more strength. Would also work with any Celestron 14 inch series. Celestron C14 , this version is meant foC14 with NO Hyperstar . It connects on end of telescope and I'd a whole mask design. It's not split like the Hyperstar cap version to put on and off very easily. Full cap with no center hole.. measurementsbeforepurchasing for your telescope. . This is meant for Celestron c14or with No Starzona Hyperstar . , Special design, More options will be available for the C14 hopefully soon. C14 bahtinov masks soon also available just ask. Condition is New. Shipped with USPS First Class. Software Designed and tested. Works great with these and similar models. 3d printed and designed by Spencer 3d. As always fast free USPS SHIPPING. 2 TO 3 DAY SHIPPING. BLACK . Other colors and types available just ask. If need a particular size message me,or if have questions.