sherry wrote:
Someone suggested using an automobile flex hose held on with clamps
instead of the standard rigid PVC U-trap. This is for the drain pipe
under the laundry sink. Will this work? We can't use the washer
until have an answer and a reason why it would/wouldn't work. Thanks
for any reply.

Sure. I assume you're talking about a smooth-interior hose.

I would think the ripple-ribbed hoses would tend to trap debris. On the plus
side, it should be easy to remove the trap and clean it out...