Half Block Water Matrices (Small Pondless Waterfall Blocks) may be mixed brands ShinMaywa Combined with a cross-flow design

Combined with a cross-flow design that traps and processes more debris at high flow rates

Change colors

Built-in variable flow control

Barley Straw Extract

SKU Description 750B No-Niche Skimmer B-13B Replacement Basket B-38B Replacement Floating Sleeve

Half Block Water Matrices (Small Pondless Waterfall Blocks) may be mixed brands ShinMaywa Combined with a cross-flow designWater dispersing blocks are an essential tool for bogs, basins and water storage. These half sized (small) blocks allow about 17 gallons to be stored in the space of each block. They measure 28 inches long, 15. 5 inches wide and about 9. 5 inches tall. Modular design means that there is no limit to your water storage basin Far less work to excavate and move than rocks SKU Size Water Capacity Dimensions 3262 Small Generic Block 17 Gallons 28"L x 15.