What does FWKO stand for?

FWKO stands for "free water knock-out"

How to abbreviate "free water knock-out"?

"free water knock-out" can be abbreviated as FWKO

What is the meaning of FWKO abbreviation?

The meaning of FWKO abbreviation is "free water knock-out"

What does FWKO mean?

FWKO as abbreviation means "free water knock-out"