Dear Customer,
You can use the DDC pump with the mod top, and connect the 200ml cubiod reservoir with fitting. As following links.
BP-DDCPLS32-PWM + BP-PMCTDDCTPP-BK+BP-MBWP-C42
https://shop.bitspower.com/index.php?route=product/product&product_id=5250&search=DDCPLS
https://shop.bitspower.com/index.php?route=product/product&product_id=2742&search=PMC
https://shop.bitspower.com/index.php?route=product/product&product_id=1924&search=MBWP-C42