The filtration system is stateoftheart.

So seawater reverse osmosis is a membrane filtration technology.

What you're seeing here is a water filtration system.

I know, has a filtration system. It's not sexy.

And in this one, plants are used for the water filtration ability.

1,000 gallons of gas, air and water filtration, Geiger counter bomb shelter.

Now, before we go in there, the power is back on, so the ventilation and filtration system should also be back on.

Tadpoles keep waterways clean by feeding on algae, reducing the demand on our community's filtration systems and keeping our cost of water low.

First, we need to pack this column full of some kind of filtration material, but we also want to make sure that that stuff doesn't just run through and spill into the flask.

The rest turns into a stable compound, which survives filtration into the water systems, thereby exposing the very aquatic birds that would carry flu and providing them a chance to breed resistant strains.

When I asked for his help he sent a crew to fix the air filtration system on my ship and, hell, they were finished and they were gone while I was still waiting for the President's office to return my call.

Anyway, there we were, staring at each other, and he reaches down and grabs an armful of gravel and releases it in the jet of water entering the tank from the filtration system, and chk chk chk chk chk! this gravel hits the front of the glass and falls down.