Anyone know if these two parts are compatible and able to be connected to one another at the low-end (in-sump end) of the return pipe?
and
https://www.marineandreef.com/Red_Sea_Reefer_250_350_Return_Pipe_42213_p/RRS42213.htm
Red Sea Reefer Nano Reefer 170 250 350 Max-E Sump Replacement Pump Return Connector 16 mm 42221
Replacement Red Sea Reefer Nano, Reefer 170, 250, 350 & Max-E Sump Pump Return Connector 16 mm. Red Sea Part # 42221.
www.marineandreef.com
https://www.marineandreef.com/Red_Sea_Reefer_250_350_Return_Pipe_42213_p/RRS42213.htm