Seachoice Motor Flusher Rectangular 50-18321 by Seachoice $8.81 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Seachoice Rectangular Motor Flusher #50-18321 Flush away sand, slit and salt. Prevents clogging and corrosion. For use with most outboards and inboard/outboards.