Black Waterfall Foam, 20 oz. Koi & Goldfish Pellets It has a 1/2" male

It has a 1/2" male pipe thread connection and a recommended airflow of 1

These super-strong fountain basins are self supporting

Volcano and Double Volcano

2 bulkhead fittings

or more often in dirty/dusty locations

Black Waterfall Foam, 20 oz. Koi & Goldfish Pellets It has a 1/2" maleUse this black expanding foam to fill in cracks between rocks to prevent water from being lost over the waterfall. This product improves water flow visually and the black color hides the foam in the shadows of the rocks. The patented trigger system allows multiple uses and will dispense foam in any position. It is a fish safe, non toxic formula. Shipping Restrictions: This product can only be shipped via UPS Ground.