The video highlights the purpose of the valve and explains why it would be beneficial for plumbers. This is actually a valve that attaches on to a certain part of your waste pipe system and can be filled up with water so that someone doesn't need to go on top of the roof and stick a hose down the pipe and of course turn it off when the water starts overflowing, if you're building homes or a plumber who is tired of going up on your roof for every - every single time you need a plumbing waste test done then something like this might be right up your alley.
Then mentions that a regular garden hose cannot be connected directly to the valve because they both have female connectors and don't forget this is a female connection you cannot take a regular garden hose with one female and and one male end you will need some type of an adapter to convert it to a male and a female. An adapter is needed to connect the valve to a garden hose and you will need some type of an adapter to convert it to a male and a female.
