Midea MLV47R5BWW User's Manual & Installation Instructions page 22

Caution
Make sure that the connection between the drain hose and the wash
basin, standpipe or laundry tub is not airtight.
•
0ver the edge of wash basin - Secure the guide to the side of the
basin wall with a hook, tape it or tie it with a piece of cord to prevent
the drain hose from moving.
•
In a standpipe - The standpipe must be no shorter than39 in. (99 cm)
and no longer than 96 in. (244 cm).
22
Hose
retainer
Tie strap