Compact auto top-up This ULTRA COMPACT smart air filler unit makes a difference with the rest just by looking at it. But it goes beyond the "look", thanks to its twin optical sensors guarantees a safety superior to any other ATO on the market. H2Ocean ATO Diagram 600px Characteristics • Automatic recharge unit (ATO) • Compact...

Float switch Suitable for Filter boxes and water tanks: Water level float switches !!! delivering without tube and mounting !!! For mounting directly in the filter box or a refill tanks.