The D5 version has been included with many Singularity Computers products previously but it is now available separately and we have a DDC version. These work with any Singularity Computers Distribution Plate which has an integrated pump top location.
Purchase D5 Distribution Plate Pump Top
https://singularitycomputers.com/product/sc-d5-distribution-plate-pump-top/
Purchase DDC Distribution Plate Pump Top
https://singularitycomputers.com/product/sc-ddc-pump-top/