In this paper, we investigate various elegant filters and congruences of the class of core regular double Stone algebras (briefly CRD-Stone algebras). We define and characterize the concepts of k-filters and principal k-filters of a core regular double Stone algebra with the core element k, as well as their algebraic structures. We also look at k-{∗}\documentclass[12pt]{minimal}
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\begin{document}$$\{^*\}$$\end{document}-congruences and principal k-{∗}\documentclass[12pt]{minimal}
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\begin{document}$$\{^*\}$$\end{document}-congruences of a CRD-Stone algebra L that are induced by k-filters and principal k-filters of L, respectively. We find an isomorphism between the lattice Fk(L)\documentclass[12pt]{minimal}
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\begin{document}$$F_{k}(L)$$\end{document} of all k-filters of L (the lattice Fkp(L)\documentclass[12pt]{minimal}
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\begin{document}$$F_{k}^{p}(L)$$\end{document} principal k-filters of L) and the lattice Conk∗(L)\documentclass[12pt]{minimal}
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\begin{document}$$Con^{*}_{k}(L)$$\end{document} of all k-{∗}\documentclass[12pt]{minimal}
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\begin{document}$$\{^*\}$$\end{document}-congruences on L (the lattice Conk∗(L)\documentclass[12pt]{minimal}
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\begin{document}$$Con^{*}_{k}(L)$$\end{document} of all principal k-{∗}\documentclass[12pt]{minimal}
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\begin{document}$$\{^*\}$$\end{document}-congruences) of a CRD-Stone algebra L.