Savio Pond Free® Blocks with Riser Summit Chemical Increased oxygen promotes plant and

Increased oxygen promotes plant and animal health

The bottom of the air pump should be at least 2 inches above water level to prevent back flow into the pump

5" — FSM190-1/4

Maximum flow is 1200gph

Savio Pond Free® Blocks with Riser Summit Chemical Increased oxygen promotes plant andThese modified Savio Pond Free Blocks feature a Block Riser that opens up new possibilities for small waterfalls and streams. Great for monument spillways and small fountains. You can also use the riser as an entry point into the Pond Free Block, allowing you to keep a pump inside for optimal protection from crushing. If you are looking for a regular Savio Matrix block without the Pre Cut use this line as a link. Block measures 27"L x 18"D x 17"H,